{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117522",
    "entityType": "User",
    "nonce": "0x542bea99f1ecaa3ce922929bf6aa148af02c716b8cbc3ef01e86b6fd86b3dd3f",
    "signature": "0x411617bcbe842678ff1800cc7f42d0d5cfb4255a1f57c6d62d817398325ed4501faec4229396190e1402f18e8152d901bb5d03d5d5293cb0cd8a4dae835e00c11c",
    "signer": "0xF2c19977A72e7f63bBbD9063748E52c002b22f6b",
    "userId": "957488166"
  }
}