{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943113,-0.332472,0.000000,0.000000,0.186253,-0.528339,0.828352,0.000000,-0.274821,0.779578,0.562790,0.000000,-1754707.424291,4977532.250980,3569305.999268,1],    "boundingVolume": {    "region": [1.909657,0.597717,1.909782,0.597797,0.000000,8.693397]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/9_1286657.b3dm"}}}