{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "782825894",
    "entityType": "User",
    "nonce": "0x0d97bb28ee9578a706284d545f62d5b036f87613f5b640eaa836a04f7194fa1f",
    "signature": "0x412de8e9a108e9af0e42922a450b8c32a1c7f2d10df2f329e581d283927665f073c934c0477678df153e47eecfb099a5a842e78aedf3938a9e43a5ee64f8c9cc1c",
    "signer": "0xb10C19C3B0cAC7fCec2A27C480820d724C82840d",
    "userId": "341801"
  }
}