{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949615,-0.313418,0.000000,0.000000,0.175189,-0.530798,0.829194,0.000000,-0.259337,0.785757,0.561543,0.000000,-1655834.761754,5016961.273484,3561384.879553,1],    "boundingVolume": {    "region": [1.889537,0.596209,1.889636,0.596291,0.000000,12.457991]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/12_1443945.b3dm"}}}