{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944027,-0.329869,0.000000,0.000000,0.184251,-0.527294,0.829465,0.000000,-0.273039,0.781390,0.561140,0.000000,-1743320.915100,4989076.225448,3558823.534837,1],    "boundingVolume": {    "region": [1.906913,0.595705,1.907009,0.595820,0.000000,8.813518]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/7_1297739.b3dm"}}}