{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1391666",
    "entityType": "User",
    "nonce": "0x590123134ddee4510a5ef326ac7f5d6d8a81bbf8804f10bbaa0124f0993ab89e",
    "signature": "0xabe445e1e939675f2a0ca78dafc2e3dbd8f653e038c3c6a53b370b5d032f85f71ba3df85a0e66d04ff42c8ca3dc87fad8d576bff7e814b400ca68b331b037ed61c",
    "signer": "0x97eAfE883FbF33a8b75f6f37440caFE5CC452d3f",
    "userId": "849776474"
  }
}