{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950213,-0.311600,0.000000,0.000000,0.173748,-0.529836,0.830112,0.000000,-0.258121,0.787130,0.560179,0.000000,-1648063.230573,5025702.984196,3552712.253153,1],    "boundingVolume": {    "region": [1.887591,0.594536,1.887755,0.594667,0.000000,8.779702]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/7_1375744.b3dm"}}}