{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x5edd7a43d8e317122fce7734e68ab7f13ea9135b71052d83aa24926767505fe6",
    "signature": "0xddb37eccfd3f604b1e9975cae43427ebb4a072f4aeb4d7f72b596bd0c118b0a974ae6fd05c90070637b43d5e117f5d7beea7fb210f8f49d7a1f733ef5a58c54a1b",
    "signer": "0xd543a0232b294823FE594e2f4B732D93B92B24cf",
    "userId": "2559"
  }
}