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ERROR JsonLineBreaker [1946662 parsing] - JSON StreamId:11645015375736311559 had parsing error:Unexpected character whi

JKLG
Observer

Im using splunk enterprise v9.0.2.1 and MQTT modular input  app is installed.
When receiving json input for MQTT modular input getting 

ERROR JsonLineBreaker [1946662 parsing] - JSON StreamId:11645015375736311559 had parsing error:Unexpected character while looking for value: 'W' - data_source="mqtt", data_host="local", data_sourcetype="jklg_json".

jklg_json props.conf:

DATETIME_CONFIG =
INDEXED_EXTRACTIONS = json
KV_MODE = none
LINE_BREAKER = (\{\"message\":.*\})
NO_BINARY_CHECK = true
category = Custom
description = JavaScript Object Notation format. For more information, visit http://json.org/
disabled = false
pulldown_type = 1
SHOULD_LINEMERGE = false

sample json:

{"message":"hi","name":"jklg"}

How to resolve this issue?

 

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