{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x077fbe7dad48604dcb28593735124879ff312ea1218a5b351badc71ce1c5d2c9",
    "signature": "0x9ff4c2593c1acee85e545aa88568df525e96ea4357417cb04aa714f1a1a182fc183317e0eaf0bbb6f2cc2a13de92d94169708a591f2d2bf8a86c8ed7cdbed70a1c",
    "signer": "0xc11D28404f39623f2A0d9D9eC6D9E5e4C8e06fEb",
    "userId": "563998093"
  }
}