{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0xc7ed5f75bb8d32854ccfa0d1aa0f906c6a53d5a981b0e01f9c7e766c9ce8e34a",
    "signature": "0x40b966a0570c9a4efcfba6c4322ef13c75decb0bc6385bc269f89a3f72ba798a21e87b2362eea9423d06a9d7ecd93bc2142139b5fd8825b5bdca11c432e94be11c",
    "signer": "0x92d3eeF18F09b6dEA8B68410222af4813dA7727F",
    "userId": "719754"
  }
}