{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943194,-0.332243,0.000000,0.000000,0.186387,-0.529129,0.827817,0.000000,-0.274453,0.779136,0.563580,0.000000,-1752362.423865,4974727.800594,3574330.443149,1],    "boundingVolume": {    "region": [1.909404,0.598665,1.909549,0.598762,0.000000,8.807209]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/9_544928.b3dm"}}}