{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "53513",
    "entityType": "User",
    "nonce": "0x24e01bfcf050d5ab8e94f82b0332149d591930c950ec1f9cc9d171d05bdead5a",
    "signature": "0xf1a73c4133255b4ff96dc33a7670f1dc62162f009eb69e967cd5404fd72fdfe5263c9994a1ccdc2a89663e97470b98bbb48acba4ef745bd648c19191ca4c6a501c",
    "signer": "0x3256Bd2D0B1984E7df4FA525017aD9bA48470760",
    "userId": "51"
  }
}