{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x9b70546018132af8a2a02103d7c84fcd116a85aee357debcd39f538aedc780ed",
    "signature": "0x56fd4ec841c9bc5950f8f2daf7e999f2bebc4a5df96c2d9a38ce22a7a7fdf2e440679bf408d87e81398fbde9cd1d3c69cf16c2cf539b444ef7c958cbc14c44951c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}