{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x639adf842bad541843e6254fa03374fc343e32a57115af7f48d8c17e0b11ed4a",
    "signature": "0x3dcebac2eabdc8d663c0d988ae8eeb6b338a902b1f7ff6de135af44ed14f25940b1e9b2734e307896e9da70dde3d77eee81643c619dac92cd8e4dc0b0b015eaf1b",
    "signer": "0xd1bC12b8b46f2FAa152aB791052b4a26826F86F5",
    "userId": "481080235"
  }
}