{
  "manageEntity": {
    "action": "Create",
    "entityId": "245060523",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":245060523,\"description\":\"\",\"playlist_name\":\"New Playlist\",\"is_private\":true,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[]}}",
    "nonce": "0x0274015d2fc59194d6c3c5d89a178d81eca947de9c92157823073a857456f888",
    "signature": "0x4fb4e5ca6a4846de7233ef4c7ee431d115ffa8cb16162374897414e14aa6ccff100803dbe99eb01e734bc3e7519d381f897aa78bcb89ef04d04e010ee9b34e381b",
    "signer": "0x8e9e3f061590606eB264245F3E473A0C9F33bcc0",
    "userId": "537204477"
  }
}