{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950883,-0.309549,0.000000,0.000000,0.172824,-0.530888,0.829632,0.000000,-0.256273,0.787226,0.560892,0.000000,-1636265.852132,5026331.744560,3557242.391631,1],    "boundingVolume": {    "region": [1.885443,0.595353,1.885588,0.595572,0.000000,8.800975]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/10_1448758.b3dm"}}}