{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943984,-0.329991,0.000000,0.000000,0.184170,-0.526843,0.829770,0.000000,-0.273241,0.781645,0.560688,0.000000,-1744608.138660,4990690.963996,3555946.910030,1],    "boundingVolume": {    "region": [1.907042,0.595159,1.907138,0.595274,0.000000,8.782297]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/2_1310140.b3dm"}}}