Looks like you missed a double quote or two in the message you passed in.
Try this format.
{"message":"01 Aug 2017 17:58:19,048 INFO ProfileAspect [{applicationSystemCode=appname, clientIP=10.x.x.x, clusterId=Cluster-Id-NA, containerId=Container-Id-NA, correlationId=536bacc1-1b50-3866-5c8c-8d0efa037f8f, domainName=defaultDomain, hostName=ip-x-x-x.domain.com, messageId=10.x.x.23-e2250a0e-b706-4e95-8e11-5b9bf310eabd, userId=ANONYMOUS, webAnalyticsCorrelationId=66D276FF1489DFF845056FD915664268|F90B27374FD5E26D2566CEE3AFDA3AB0}]: class com.provider.base.v1.HomeBaseApiConsumer.searchTasks execution time: 15 ms"}