{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950538,-0.310608,0.000000,0.000000,0.173866,-0.532073,0.828655,0.000000,-0.256843,0.786004,0.562343,0.000000,-1639918.793913,5018555.936897,3566464.646306,1],    "boundingVolume": {    "region": [1.886580,0.597167,1.886678,0.597265,0.000000,11.234546]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/13_1384811.b3dm"}}}