{
  "manageEntity": {
    "action": "Create",
    "entityId": "354044915",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":354044915,\"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": "0x51cbdb706c7d9239362400e854709d914bebb0b52ed8a0870e1628ca1fd80edb",
    "signature": "0xb30a3767a9cb1c559493c8415a23e95ffeb466af0a310ac1375022a60e6ae03d4b6e481099df4ef0457bfc8d580b89e3e8e1d45c45d6154deac2c1096c17038b1b",
    "signer": "0xe9cb8c9F4208f7E4C2Db5DB00b171BcC3Dc8af97",
    "userId": "159391940"
  }
}