{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xb86752110935a1de1265f2eac8a2b8489b2d4c13f078e8c7861d30c11705aa7f",
    "signature": "0x084b0f658c5e2b522831efcb05042b3be5eac67903263eb66c975758399cae906ca9b209ba675c02daf615e46d3e93a1b0e43f696cb617edd214c9b1c3eee8a51b",
    "signer": "0xd543a0232b294823FE594e2f4B732D93B92B24cf",
    "userId": "2559"
  }
}