{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949266,-0.314475,0.000000,0.000000,0.175867,-0.530866,0.829007,0.000000,-0.260153,0.785289,0.561821,0.000000,-1661044.252157,5013978.142891,3563147.761049,1],    "boundingVolume": {    "region": [1.890650,0.596574,1.890751,0.596596,0.000000,13.909362]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/8_1418296.b3dm"}}}