{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x8f139cae5fc71ca9a4f219e0c48b609f3433f9804cf766562e8c00cfcff1c0e9",
    "signature": "0xb2aba947251a5ebc4028911182d435e2ff7480419a247b80613f567f768a99dd2d849d1f1f6b044f729f403d350d9e215f212e52462c057726db8f141a375b0a1b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}