{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "1366",
    "entityType": "User",
    "nonce": "0x3e1e338cc4f7eeda44ad26acaccb7b268b48cd56f0894da9efda8ea53551a5e0",
    "signature": "0x86c2810203ebf9707f02c0cac6a97690e73c761b89e8e1ca7d8e5fecd44c12703e482dbb96782aae0339a6220fc9114d73f31f39d887657f17a0833d38c5516b1c",
    "signer": "0xba960A2A2d8f4427Fae40C7DB0030b14F9C77419",
    "userId": "10119"
  }
}