{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "311829956",
    "entityType": "User",
    "nonce": "0x1b351eaf038ea45ee39aa6044a48f508f431a935490d531d458730a84d220ddc",
    "signature": "0x0cd57c82ffbba0b32baac6674100d41ab29f54633f6a0b0b9eaa0930458c146f5ec10a4a55d39aa0d3174a3d0e78c6ff1ed8b21f4878bfd85fc4e15e396b55db1b",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}