{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "66640",
    "entityType": "User",
    "nonce": "0x10c08629410859c2ab03ef87d9b43da8d40731390e2dba505b80f9e668149656",
    "signature": "0x3944d575fc4e646d8efd6714efd7be710630001469f9a1e865e62330442c12951a95bac85730e5f6cb6a9c3911cd4189c718573e31421649527671d50eafa2b71c",
    "signer": "0x6D7f9B90BAFd6B52f8d961a1106d927aCCE656C7",
    "userId": "94304"
  }
}