Here is eg.:
{
"custom_signs": {
"Metro1": {
"texture_id": "mtr:gzsign/station.png",
"flip_texture": false,
"custom_text": "广州地铁|Metro",
"flip_custom_text": false,
"small": true,
"background_color": "BE1120"
}
}
}
if you know about this,why not try?
Thanks for your time.