{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x279624b6fbac0a438f4dc2246d2c7ae536bb56ff0aa948c48555e17a639046af",
    "signature": "0x20aa8fa29c740c1d7bc65efd9aa278c262a6a1ff7b3b41f62d89ea68d8a631346ea63a362812ee926ec47354b114178aaf3883bdaa12edda15787be0aaae7b0e1b",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}