{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898016,-0.439964,0.000000,0.000000,0.284404,-0.580500,0.762977,0.000000,-0.334738,0.683238,0.648951,0.000000,-2138019.692167,4363939.713942,4117194.480878,1],    "boundingVolume": {    "region": [2.026288,0.706093,2.026421,0.706316,0.000000,11.388064]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_1820895.b3dm"}}}