{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897915,-0.440169,0.000000,0.000000,0.282568,-0.576420,0.766743,0.000000,-0.336560,0.686560,0.644487,0.000000,-2149614.215645,4385073.330416,4088795.618852,1],    "boundingVolume": {    "region": [2.026519,0.700317,2.026646,0.700386,0.000000,33.682253]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/3_852210.b3dm"}}}