{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x042643ae7babbe33cdcd87d44ea442a9878c104838375184fcc3401b8fac7e79",
    "signature": "0xc08f9384bca8e4feca679f65b1f27b796b591a9b273b5c58196f63d231ca12f8347c932ee322cf21b347738814c261b897fe47b1f02a93a0e7a71b01e265de621b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}