{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897958,-0.440081,0.000000,0.000000,0.284690,-0.580891,0.762573,0.000000,-0.334649,0.682829,0.649427,0.000000,-2137453.563896,4361336.605808,4120225.169275,1],    "boundingVolume": {    "region": [2.026420,0.706719,2.026552,0.706942,0.000000,15.315936]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/15_1823991.b3dm"}}}