{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "706662178",
    "entityType": "User",
    "nonce": "0x7b57d5896a19a322a3f8ca7fb7592b7cbc5d231a99414c12e33efe9f757263a0",
    "signature": "0x60e9d924f65b9e5f84ca5a6d40349b33db5c0964e597f2760cf0b11d711db51253773b718b23990974f831a8aadf5a29c6b4859ec0398b4d31f11003b8edf96d1b",
    "signer": "0xC853d97AeeE15A1C991532996f88E03317731e30",
    "userId": "449918651"
  }
}