{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2018276",
    "entityType": "User",
    "nonce": "0x3bb65ac9d2b782fb970299d7368c4008b0f8d2ef264f5add4326257bd3f8ab44",
    "signature": "0x4e40c7aea997d5b691bfa9b904022c3b6e0702269d5046e0189ce81ed368b3194a88e230c2cb3173111199720d98248568cf5e03670b18d3f6c1de3cb973ac0d1b",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}