{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x1e5d0bc424fa22365fff4152fe88f792528d7f3d50805b0e96a060902de4fa2c",
    "signature": "0x5bc2e6a9deb8915905467a6db3cb7378874e9bcfae18ff3a0eec08983b75024e6c29721e904cc8b16c69b58c9c8158b7e2184b328b6a6e7056dfc34b694810391c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}