{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x50c94c7b5a3f802fcab4055386c71a3db90c7c7a51010922e993d6d395ee5007",
    "signature": "0xcb9e37e262934bcfc08e94fd5d287435fc068de4e7aec747f22ebee9fa0504752184b16f67e80d3cb05f2f63ac279a4e6e48af2f3e8e7e484bce2ae446276cea1c",
    "signer": "0x531DA5389cFf04251B433EBA2Ec726FD1d9A1E4F",
    "userId": "902513644"
  }
}