{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.893996,-0.448075,0.000000,0.000000,0.288805,-0.576223,0.764564,0.000000,-0.341623,0.681606,0.647076,0.000000,-2181981.240621,4353479.019080,4105268.275542,1],    "boundingVolume": {    "region": [2.035324,0.703662,2.035489,0.703824,0.000000,46.655184]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/3_1869883.b3dm"}}}