{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1497323",
    "entityType": "User",
    "nonce": "0x86c87f450b33d32664951ebf3be93c6af9de05556b4876fbefa282e40470fb7a",
    "signature": "0xb27feebba81d3a76518a42d7d2c557b6e4127522050e4b7d4fea72813a8a09226e456a27a12624f52b5fe3347da3fc65b03b00f17d58f170c4b50f14435ff4e21c",
    "signer": "0x97eAfE883FbF33a8b75f6f37440caFE5CC452d3f",
    "userId": "849776474"
  }
}