{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x57d60c301672210129b104ce8caf649a274a2cda87258a2ce984e447b6306495",
    "signature": "0x1d09b7ca12fdadd22eb92c0c12e601d62f0411a7cee3b997e9b8d7e6c0db0e51454bbbfee56bf31062ffd4c27e1636db0cdcaf403fab5707722a083ef42ac09b1c",
    "signer": "0x92d3eeF18F09b6dEA8B68410222af4813dA7727F",
    "userId": "719754"
  }
}