{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x8bc40f094f1b6deb05db8fc10383840fc7442131785caa9ef72f51ac16ede017",
    "signature": "0x566c60345a9105c087e47cf2ddd06ebcfa31b627b0f75918c78892ed6c6e89f154813d97a7b24c8f28ae4aa740c1750972f3d2219a3f17500d636e6c7b90b0e31c",
    "signer": "0x15A0a536f48Ca082F3a891a1620152037566160b",
    "userId": "602323230"
  }
}