{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x6736e026f2769035bbe2eb6d77ff26d6476dafb198b9225be2a432902d1e6d59",
    "signature": "0x0f8eb44257a9064f6dba6e09fc1f0ffbe1dfcf6c60fed922947c1bc8026f63470e3a11eed87a40430b3644328a18ad33bb673dd3a677411c098c1899cdd65d021c",
    "signer": "0x0080a3F9e4a8408e4c6de08e3f68c64a4B366F1B",
    "userId": "738489255"
  }
}