{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897947,-0.440104,0.000000,0.000000,0.282510,-0.576407,0.766775,0.000000,-0.336524,0.686612,0.644449,0.000000,-2149387.961905,4385408.910445,4088556.257516,1],    "boundingVolume": {    "region": [2.026447,0.700268,2.026574,0.700337,0.000000,8.325153]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/2_392262.b3dm"}}}