{
    "forge_marker": 1,
    "defaults": {
        "model": "minecraft:cube_all",
        "textures": {
          "all": "ffs:blocks/blockValve"
        }
        "transform": "forge:default-block"
    },
    "variants": {
        "invalid": {
          "true": {
            "isMaster": {
              "true": {
                "textures": {
                  "all": "ffs:blocks/tankMaster_0"
                }
              },
              "false": {
                "textures": {
                  "all": "ffs:blocks/tankValve_0"
                }
              }
            }
          },
          "false": {}
        }
    }
}