{
  "manageEntity": {
    "action": "Create",
    "entityId": "145339573",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":145339573,\"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": "0x2b9d0e4e59d000d3925ae80edd677013ff2d7ea82ad0a998e030e72cbe7a4081",
    "signature": "0x0dbf83b426f7946bcb3740e5e7d68dbb40897ad96f1c4665ed2dff222460e98d0fbdd6d7a445442d9c4d4459bc61decbb61bf042ca142827500f433989adb5631c",
    "signer": "0x12Dd122e04eDA14fA483f2F178ea67E04fd312B9",
    "userId": "388523895"
  }
}