{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896486,-0.443072,0.000000,0.000000,0.283014,-0.572634,0.769411,0.000000,-0.339968,0.687871,0.641292,0.000000,-2171353.852772,4393385.147458,4068472.157247,1],    "boundingVolume": {    "region": [2.029728,0.696125,2.029911,0.696237,0.000000,54.891054]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/7/6_942321.b3dm"}}}