{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0xcd95b55ec04aa83d46dc441724a382c524eb126a53670ece381cb7506480d740",
    "signature": "0x5db01c1b55452f69b23b6d057c4be6f3f474cef4dbfb6b51bfea2d5e5e66d4ce45f314160f92b05fc43b69011422d5e6ebdd3746d2ba05b48ec229d106dd8c831b",
    "signer": "0x92d3eeF18F09b6dEA8B68410222af4813dA7727F",
    "userId": "719754"
  }
}