{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xc4bcde0966a1f1118f9f764e85fe5f2eb54b01ab2474e1e2c7f909e63f1fb300",
    "signature": "0x647c1bb506c8fd976b904d0c6dd8b358e992317a6f121a834f36c3e22f1073b725cc2431610155aa1f362dfafb8269b694c8cfd5c3daf87620d8dcba79f8d56f1c",
    "signer": "0xd543a0232b294823FE594e2f4B732D93B92B24cf",
    "userId": "2559"
  }
}