{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x96adae3bc8203dc321d0d7723de96a430063dcb811098154e5b6d4d1ae0d1079",
    "signature": "0xde3c468d870e3e7fa5c534bd886243f469382f8b82425c7e0e5982e76833d0706dde09bca0b5b52f8d32ea1c3d6b029fac1c89170ad7b1daa3bbce53daafc3411c",
    "signer": "0x7fB23CaDa61ACB0c4fCc650FDE57c3B812d4A5f4",
    "userId": "66130"
  }
}