{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949221,-0.314610,0.000000,0.000000,0.116470,-0.351406,0.928950,0.000000,-0.291987,0.880963,0.372354,0.000000,-1863197.555630,5621512.761066,2360122.988987,1],    "boundingVolume": {    "region": [1.890773,0.381494,1.890912,0.381594,0.000000,6.686389]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/17/16_68178.b3dm"}}}