{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "348265379",
    "entityType": "User",
    "nonce": "0xa4be1a0fd653fb3050b0af6f164f813a8ebae972546eb80b6009a4264834cee0",
    "signature": "0xcc7a53de1ffc4980a7014235cfefc9b50054b6599b2654426c8f1f4d45a2ee7944e94c7e981125ca190282f73afcddf2a6f8a23deadcb5d189e8cb6bd9bbffbb1b",
    "signer": "0x5db87c3Ce66Fd4Aa66b370Bec004f8fD5e8F6d16",
    "userId": "184678971"
  }
}