{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943072,-0.332589,0.000000,0.000000,0.186302,-0.528269,0.828386,0.000000,-0.274929,0.779575,0.562740,0.000000,-1755397.714463,4977516.460563,3568990.709963,1],    "boundingVolume": {    "region": [1.909781,0.597657,1.909906,0.597737,0.000000,8.655349]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/9_1286581.b3dm"}}}