{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "281227",
    "entityType": "User",
    "nonce": "0x730075c13b165049a557c0c6d0a839b3f1f91e6458f3e5fc6cbfb425552b9cd2",
    "signature": "0x045501d1f8a83e173f6ed4d486f2730e40c9f2177102e02c48cade9aebc6b43c452bc08004a4753389bafe7b8457a9ee252a875398c42f7d31df2c788f6af6421b",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}