{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950846,-0.309664,0.000000,0.000000,0.116242,-0.356931,0.926870,0.000000,-0.286745,0.880472,0.377553,0.000000,-1829771.078646,5618454.179750,2393103.694251,1],    "boundingVolume": {    "region": [1.885576,0.387087,1.885695,0.387216,0.000000,8.824128]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/4_59772.b3dm"}}}