{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950660,-0.310236,0.000000,0.000000,0.173544,-0.531792,0.828903,0.000000,-0.256613,0.786342,0.561975,0.000000,-1638445.454112,5020708.912625,3564126.580778,1],    "boundingVolume": {    "region": [1.886155,0.596687,1.886320,0.596856,0.000000,8.788079]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/6/3_1395273.b3dm"}}}