{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x5111173345ff90e9709dcede9f8594adfaf8cd7ec3ad35590d47dc1be18043cb",
    "signature": "0xed6a14407d3de4bfa94b7ce7fb2add3d41156ba11bd9ca4e5ecfb9734ba7ee682b714f154a5c431228e287abee3b3c2e8ae8839b61931923fe8cd723d924fd021b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}