{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x298bfe38f1818eeae415a19eff1d0976d20eb2378dac276662b6b34aba228887",
    "signature": "0x57ed6efd5d2e79c3e0753fe76986b9ac542611fcc9aa71ea2e02d940ef41100a31b90807d9f9c61d4d755eb8c6bef4a8a03f1d22aea0e92fa96465654f37741a1b",
    "signer": "0xd543a0232b294823FE594e2f4B732D93B92B24cf",
    "userId": "2559"
  }
}