{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863022589",
    "entityType": "User",
    "nonce": "0x69f4a16680e9a3f1ffd9a45367f753b2c56ae05b5c0b0a78cc3262e2dd1ce79b",
    "signature": "0xb893990484f0507b1c6020876812c0434cda8408a99c91593454a7dc01be87d5201bb452b222452e9a12b073328359046c80d64294f802d9a8f6aecbe43103af1c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}