{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943320,-0.331884,0.000000,0.000000,0.186183,-0.529190,0.827825,0.000000,-0.274159,0.779247,0.563569,0.000000,-1750488.653859,4975438.817403,3574259.411479,1],    "boundingVolume": {    "region": [1.909025,0.598651,1.909169,0.598749,0.000000,8.645646]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/9_657699.b3dm"}}}