{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "765540152",
    "entityType": "User",
    "nonce": "0xef9e2df235da124a52594309879b6ef5059c5ce7964044f53df58015b129a524",
    "signature": "0x7b04222501e39af3a34cf0688691d943789dc610be4498538618d4a9f58635c700c8e1e605153fa0d1a0879984b93915cd6f9ec69d8151cbf27845638a632c771b",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}