{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "337206",
    "entityType": "User",
    "nonce": "0x8524ccaf2ed449ff24b89b9730af9b7784e6c434faa98b5f45c0f04ce0020035",
    "signature": "0xfaf6d731c3b7650cd79b3a8c6e92f7cbfe744d153a7d7f773d7248ca78960e314aec08782cb8a6eb382b29eaf49330b745c27a20fea1b51e26e94d0ec8b374971b",
    "signer": "0x5Bc05b706D3864d34607f61EB1cb128EEf4453b8",
    "userId": "673773101"
  }
}