{
  "manageEntity": {
    "action": "Create",
    "entityId": "1217678103",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1217678103,\"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": "0x54f700ff7ac6d72b393efcb7656b0031de352f29e528f66b54cfbaa57293e892",
    "signature": "0x0c6429e76c4bb8b53dcc8b3221ce2aa60a4e25ac6ade0507f66cb581881ca49d505b298c6d11fde33528e34736b992bbcca63be34e4c572b8f53a7dc915a896f1b",
    "signer": "0x9c1a2996a6DCe12e947BD7C8A755b6150A3eD5f4",
    "userId": "474113241"
  }
}