{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xdbd6916c46aeda6e3f425b7485ac99185ca0e1ab124b91e8aa9e847ca8e6700d",
    "signature": "0xeb7143d10e15293fc6a5bda11c16e2ad82e575a3fbf82ae148d63d00ed7dd4cd65907a8a1db92f67f499f3e6070ec27f6d813ce96954d0e31db058c5a954977a1c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}