{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948712,-0.316142,0.000000,0.000000,0.176432,-0.529457,0.829787,0.000000,-0.261780,0.785576,0.560661,0.000000,-1671425.885732,5015793.613905,3555779.833126,1],    "boundingVolume": {    "region": [1.892408,0.595073,1.892504,0.595296,0.000000,8.816292]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/13_1179370.b3dm"}}}