{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x8f90db6decfc0d5d3117e15a575c5638d4b3bca11fa58efe8dee5af9a256eec6",
    "signature": "0xc388fa9e3f67ecfdebf7cac642e64e930c82554ff687a27a0af7a199c8fd07a1214bc3439066439e92930acc70b3b28b7c74cd05fe56519ff039c33888045b961b",
    "signer": "0x92d3eeF18F09b6dEA8B68410222af4813dA7727F",
    "userId": "719754"
  }
}