{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x9580de257487871c14cc6a58f1247640030d5859347e7b41bc60d9a6cc768d0c",
    "signature": "0x267f6f97b9760677f0d8342d3d03c459ade0faca053c6778d0da3afa89f45f5b402d84e7fbd83e5cc7c910aa37a1a9c361b2bb7b5e0a7748e82598bc5eb2f5c41b",
    "signer": "0xcFe1eF2d8538759fbF5161710b35d043b5f0c077",
    "userId": "712556959"
  }
}