{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949875,-0.312631,0.000000,0.000000,0.174747,-0.530940,0.829196,0.000000,-0.258686,0.785974,0.561540,0.000000,-1651678.961999,5018346.233075,3561363.524659,1],    "boundingVolume": {    "region": [1.888672,0.596143,1.888843,0.596348,0.000000,21.329116]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1438596.b3dm"}}}