{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896468,-0.443109,0.000000,0.000000,0.283037,-0.572622,0.769412,0.000000,-0.339996,0.687858,0.641291,0.000000,-2171533.429033,4393303.631234,4068464.390705,1],    "boundingVolume": {    "region": [2.029768,0.696123,2.029951,0.696236,0.000000,54.891054]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/7/6_513717.b3dm"}}}