{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xb359f051bb031cb8180153d056022a7ee0cd8ab836acef3fa38c1cc24e151558",
    "signature": "0x235c51aaa83254344f73d99c459555852165893da83d2c96f76e7683e3cd0768711d9ef95c6b8cfeb3841383ea1e1fbd43090557def0001d23451acfb02921431b",
    "signer": "0x5Bc05b706D3864d34607f61EB1cb128EEf4453b8",
    "userId": "673773101"
  }
}