{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "530268349",
    "entityType": "User",
    "nonce": "0x2a5677e49d31647599b7ed7ebe28e9e3944592491defb6e6b83621e608b9498d",
    "signature": "0xec9092ab1cd8b955adb574a1c0590883d1c6f209c27213dcf941cfc33659832504894903017ed6f081683e3ef5362ea092e6ca735643f51d5f16b795dc6e9c0f1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}