{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xe15214f412385a407a279cc4a4109b3ea2d72195376310825b3efe16244c2c49",
    "signature": "0x4cba42ca2c5ac42174dc6b13b8a7af3467e427d1f6eb966818c039badbf684db518991b0ad6dcaa12c6ff8716d0c09600c1319cde4a38dff827e4f3fe82616b81b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}