{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x475e091974aa57e9c92bdd764ce7041623826cef98616fb2e1c8bc0f6cb555ff",
    "signature": "0x0adf39e98ca3b447a941e515b33997d8fc149e9d2d10c92a14831ffc32d697d85fa30a5f57fba3bfb69089ea8304d3e88160f05f4901aefc6b64835e35a12f311b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}