{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949107,-0.314955,0.000000,0.000000,0.176136,-0.530780,0.829005,0.000000,-0.260548,0.785155,0.561824,0.000000,-1663572.553816,5013125.902047,3563167.257390,1],    "boundingVolume": {    "region": [1.891155,0.596578,1.891256,0.596600,0.000000,8.544343]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/8_1418503.b3dm"}}}