{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x052ef6ec492b0caf2e83759b56f392eff48307b5bda0ad9c80d747b7c389f742",
    "signature": "0x7d587f4ab02517cad018c7f7267109a05e5a7f83a5296a1cad10c4bd7e93cb9956d47b69d12ed15e528af13b862ab680cfb28664c255af4cbbcc9bd8bf13a7451b",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}