{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949010,-0.315247,0.000000,0.000000,0.175875,-0.529449,0.829911,0.000000,-0.261078,0.785941,0.560478,0.000000,-1666942.223489,5018117.569173,3554613.322947,1],    "boundingVolume": {    "region": [1.891465,0.594868,1.891560,0.595058,0.000000,8.694603]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/19/28_1075874.b3dm"}}}