{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898935,-0.438083,0.000000,0.000000,0.282937,-0.580580,0.763461,0.000000,-0.333520,0.684374,0.648380,0.000000,-2130234.912903,4371186.759888,4113564.791462,1],    "boundingVolume": {    "region": [2.024179,0.705395,2.024344,0.705514,0.000000,18.352327]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/7_1827712.b3dm"}}}