{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943979,-0.330005,0.000000,0.000000,0.184259,-0.527071,0.829605,0.000000,-0.273199,0.781484,0.560932,0.000000,-1744337.323659,4989671.289933,3557499.901644,1],    "boundingVolume": {    "region": [1.907058,0.595454,1.907153,0.595569,0.000000,8.779496]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/5_1274820.b3dm"}}}