{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xb88bf80d36db5544951a785ebd3ffde37f0b6535bf185cb51c988774db188664",
    "signature": "0xac2c7a744e6e1f1be9dd62f686b136ed26de330ab4014180dfca87fa283ce66712da47667494d10d7f7a91f9bff4f56036fa6b1096611cc952e7caab447c270c1c",
    "signer": "0xDCE3db3a2285CB6f667C9B48Fa88620F6f94232f",
    "userId": "851456191"
  }
}