diff --git a/application/src/main/java/org/thingsboard/server/service/transaction/BaseRuleChainTransactionService.java b/application/src/main/java/org/thingsboard/server/service/transaction/BaseRuleChainTransactionService.java
index eb1d59aea2..1aee532c93 100644
--- a/application/src/main/java/org/thingsboard/server/service/transaction/BaseRuleChainTransactionService.java
+++ b/application/src/main/java/org/thingsboard/server/service/transaction/BaseRuleChainTransactionService.java
@@ -93,6 +93,7 @@ public class BaseRuleChainTransactionService implements RuleChainTransactionServ
             TbTransactionTask transactionTask = new TbTransactionTask(msg, onStart, onEnd, onFailure, System.currentTimeMillis() + duration);
             int queueSize = queue.size();
             if (queueSize >= finalQueueSize) {
+                log.trace("Queue has no space: {}", transactionTask);
                 executeOnFailure(transactionTask.getOnFailure(), "Queue has no space!");
             } else {
                 addMsgToQueues(queue, transactionTask);
diff --git a/application/src/main/resources/thingsboard.yml b/application/src/main/resources/thingsboard.yml
index 3aaf47c524..18b77c4f41 100644
--- a/application/src/main/resources/thingsboard.yml
+++ b/application/src/main/resources/thingsboard.yml
@@ -250,9 +250,9 @@ actors:
       error_persist_frequency: "${ACTORS_RULE_NODE_ERROR_FREQUENCY:3000}"
     transaction:
       # Size of queues which store messages for transaction rule nodes
-      queue_size: "${ACTORS_RULE_TRANSACTION_QUEUE_SIZE:20}"
+      queue_size: "${ACTORS_RULE_TRANSACTION_QUEUE_SIZE:15000}"
       # Time in milliseconds for transaction to complete
-      duration: "${ACTORS_RULE_TRANSACTION_DURATION:15000}"
+      duration: "${ACTORS_RULE_TRANSACTION_DURATION:60000}"
   statistics:
     # Enable/disable actor statistics
     enabled: "${ACTORS_STATISTICS_ENABLED:true}"
diff --git a/rest-client/src/main/java/org/thingsboard/rest/client/utils/RestJsonConverter.java b/rest-client/src/main/java/org/thingsboard/rest/client/utils/RestJsonConverter.java
index d6e7ad9e6c..65838fb5bd 100644
--- a/rest-client/src/main/java/org/thingsboard/rest/client/utils/RestJsonConverter.java
+++ b/rest-client/src/main/java/org/thingsboard/rest/client/utils/RestJsonConverter.java
@@ -22,6 +22,7 @@ import org.thingsboard.server.common.data.kv.BaseAttributeKvEntry;
 import org.thingsboard.server.common.data.kv.BasicTsKvEntry;
 import org.thingsboard.server.common.data.kv.BooleanDataEntry;
 import org.thingsboard.server.common.data.kv.DoubleDataEntry;
+import org.thingsboard.server.common.data.kv.JsonDataEntry;
 import org.thingsboard.server.common.data.kv.KvEntry;
 import org.thingsboard.server.common.data.kv.LongDataEntry;
 import org.thingsboard.server.common.data.kv.StringDataEntry;
@@ -73,15 +74,28 @@ public class RestJsonConverter {
         if (!value.isObject()) {
             if (value.isBoolean()) {
                 return new BooleanDataEntry(key, value.asBoolean());
-            } else if (value.isDouble()) {
-                return new DoubleDataEntry(key, value.asDouble());
-            } else if (value.isLong()) {
-                return new LongDataEntry(key, value.asLong());
-            } else {
+            } else if (value.isNumber()) {
+                return parseNumericValue(key, value);
+            } else if (value.isTextual()) {
                 return new StringDataEntry(key, value.asText());
+            } else {
+                throw new RuntimeException(CAN_T_PARSE_VALUE + value);
             }
         } else {
-            throw new RuntimeException(CAN_T_PARSE_VALUE + value);
+            return new JsonDataEntry(key, value.toString());
+        }
+    }
+
+    private static KvEntry parseNumericValue(String key, JsonNode value) {
+        if (value.isFloatingPointNumber()) {
+            return new DoubleDataEntry(key, value.asDouble());
+        } else {
+            try {
+                long longValue = Long.parseLong(value.toString());
+                return new LongDataEntry(key, longValue);
+            } catch (NumberFormatException e) {
+                throw new IllegalArgumentException("Big integer values are not supported!");
+            }
         }
     }
 }