{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1036471",
    "entityType": "User",
    "nonce": "0xc1ad7cfbd0cb09f1d45b23d6183aa8e7188b5a89db56b7ef4a6cfc382af5736b",
    "signature": "0x019e2b6fbfcab73838560b0c3ef4af62465e8eb292001fb7fcc81e4f32f1129a4cf28e9f0ad227a77e54b8c776688d52dd14878062703750188b9b8c0d306d1f1c",
    "signer": "0xe1eAe9Fa3Fef187944BA6cBa5C534e1ea257CA4E",
    "userId": "344552512"
  }
}