{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x967a99b1a18ad7b3476e5e0beaf4fb6b05572384b77520f931bfccbc2f55a140",
    "signature": "0x6fdf3c53873b8edbb25c4877f7e3410a975ca703dab4bb32207099aa6424cd8806c539f544bbbe834b63cfb6b515da7e0d47e08604d5c49c3ca4f023f63feff51c",
    "signer": "0xAa942fb8d8E7Eb9024f403fC0FF63D378019Fdb5",
    "userId": "8151"
  }
}