{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897887,-0.440226,0.000000,0.000000,0.285145,-0.581583,0.761875,0.000000,-0.334450,0.682145,0.650248,0.000000,-2136192.644181,4356983.188763,4125446.460250,1],    "boundingVolume": {    "region": [2.026571,0.707796,2.026723,0.708024,0.000000,15.795172]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/1_1793920.b3dm"}}}