{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "887547386",
    "entityType": "User",
    "nonce": "0xb2b81ea5692d62167b6e7b5536e246a45702a165f1a1bb7c76bfa558c2c9407a",
    "signature": "0x5edb4a7f53b725c6e39beccb74146d94062e041a0a4594f25dcca7f7d1c77d867a60640424477686ea7161fe3f2ae2f139e26eb814aca2cd38db00b3b860283c1b",
    "signer": "0x8fb06be829c5718Bb968af1525d910B795617ac0",
    "userId": "950478625"
  }
}