{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xfe7ec6ad6f089dc1582c56c29d1fab3aed1d2443a15e4a505cd6f964529e57c4",
    "signature": "0x103d856c20bd934460766b03c4d890fd2ec92e1a335e9c9235301f3452850dcf0f76a872634a95123a0165f5e7bf5ad51ade7115b939c8de3eb0d7d24502e2071c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}