{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943911,-0.330199,0.000000,0.000000,0.184498,-0.527408,0.829338,0.000000,-0.273270,0.781174,0.561329,0.000000,-1744794.994790,4987698.291796,3560024.285825,1],    "boundingVolume": {    "region": [1.907263,0.595934,1.907358,0.596049,0.000000,8.697752]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/9_1270863.b3dm"}}}