{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x3a6f9948c47597b2544ccd99a4eb2fae5de5adef89fb885afae9e4c58a1bfb46",
    "signature": "0x25c63e6f588533ff6d27e17e6189bfd4290f99119e47af89f81640fde689dbe528b6d74e65e579ee67f436862e764d1ff4f47c1b364fb033311459ee4f0870c61c",
    "signer": "0xd543a0232b294823FE594e2f4B732D93B92B24cf",
    "userId": "2559"
  }
}