{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x3992ee8ad00ffc2f73b99b5b0dfd8d245f08b8b81df1b2a7451d697a73b3fcef",
    "signature": "0x502fa76d78ed878f8e510af294e28078c699bf8fbb25a7174cac69285c813e780c9053103ede0ce71281c9d1dadd4bd0b6ab8cb2bd3b2efa1ba644724e0fa3401c",
    "signer": "0x2C81B4feC34484F38A9D770494d7D51184A5b1bB",
    "userId": "780483387"
  }
}