{
  "manageEntity": {
    "action": "Create",
    "entityId": "1562020446",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1562020446,\"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": "0x11e234fe9b2c36c7073ee672c9cac9f7d7246855ecd7dcdb794a7e16c32c5320",
    "signature": "0xb4c59104984ff76edd35a200da833a05e9351b0c6d3dbd0633b3e6c59438f9df3513c6b70e37cf2fa98d541205200fa7872447cce7b961e738eac9091ff6de1c1c",
    "signer": "0x653E8A1211a113Faf517E089B75C948EC1ad9241",
    "userId": "292115993"
  }
}