{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x832f89e0fbc3741bcd74e1d193e37ba9927edd14e8a998e53128d9f6d21581e1",
    "signature": "0xac6c75c9884506eb2417e544e1f2056f831cf5fa5f2e80608e503509bc72adc77bd6386bf3e717c46145158aecf898f8fe68c331306401a383a16c4af82b767c1b",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}