{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949179,-0.314735,0.000000,0.000000,0.175798,-0.530171,0.829466,0.000000,-0.260513,0.785657,0.561139,0.000000,-1663343.562948,5016314.836891,3558812.795359,1],    "boundingVolume": {    "region": [1.890905,0.595708,1.891043,0.595814,0.000000,14.938601]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/7_1364300.b3dm"}}}