{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "428192787",
    "entityType": "User",
    "nonce": "0xb5f83a674889a9609e7f3925eac9d49d951b15c0a99c966fb811def139752166",
    "signature": "0x9e71a0f117614fb8bf6e3991d251c330d59b7414070c7434f54ab6c994ed89263dc7896a4acd8531e215838725a9b4483d00c1eab5bcfde08f3032e4e444fb721c",
    "signer": "0x3cb83Dc0BeA02d2C404C053Bb49Eda9A008776bE",
    "userId": "164461150"
  }
}