{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949173,-0.314756,0.000000,0.000000,0.175829,-0.530227,0.829424,0.000000,-0.260517,0.785610,0.561202,0.000000,-1663368.797186,5016020.772581,3559212.768261,1],    "boundingVolume": {    "region": [1.890928,0.595784,1.891065,0.595890,0.000000,9.566956]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/7_1362517.b3dm"}}}