{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943877,-0.330298,0.000000,0.000000,0.183818,-0.525286,0.830834,0.000000,-0.273850,0.782568,0.559101,0.000000,-1748483.985913,4996554.468316,3545862.678736,1],    "boundingVolume": {    "region": [1.907361,0.593211,1.907471,0.593391,0.000000,7.656393]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/7_1246251.b3dm"}}}