{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2016697",
    "entityType": "User",
    "nonce": "0xa41bb520812e51124abe546c0471b93f1e94086ce4a918acfb33d935f794ee08",
    "signature": "0xc3a3b9e181b0b5be3ae6ad83f9d06c0d4af80df2f1ddb931f7be584862a4ec9e26f199a9343586d293655288e84a475f8ba64113e6991be6371ecbd2c82badd11b",
    "signer": "0x5e6d01F8B70091388F9Fc78aCe897341e3696c0f",
    "userId": "335869800"
  }
}