{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0x7f45b11a152ae9231cff70c74668fd51dc79a8a9c0e97bd01265956e45a62e1d",
    "signature": "0x72eec9bde088b49beef05bcad312f4e46a4549e9a31e33fa340e5c975752f1da1fa4d1c72dfb77049a686f6c68c674aa60a591e6d7b4ddd7bc5dadfa6b1b509b1b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}