{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898773,-0.438414,0.000000,0.000000,0.283138,-0.580449,0.763487,0.000000,-0.333783,0.684274,0.648350,0.000000,-2131914.588747,4370548.888452,4113373.671838,1],    "boundingVolume": {    "region": [2.024547,0.705356,2.024712,0.705475,0.000000,10.170335]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/7_1831713.b3dm"}}}