{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.852874,-0.522117,0.000000,0.000000,0.269396,-0.440057,0.856607,0.000000,-0.446446,0.729266,0.518514,0.000000,-2850059.725242,4655551.570098,3287973.779045,1],    "boundingVolume": {    "region": [2.120081,0.545070,2.120174,0.545154,0.000000,140.438233]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/3/1_7932.b3dm"}}}