{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943839,-0.330405,0.000000,0.000000,0.184535,-0.527146,0.829496,0.000000,-0.273493,0.781265,0.561094,0.000000,-1746216.498226,4988273.002078,3558531.823541,1],    "boundingVolume": {    "region": [1.907481,0.595650,1.907576,0.595765,0.000000,8.807456]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/7_1297508.b3dm"}}}