{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949241,-0.314549,0.000000,0.000000,0.175911,-0.530862,0.829000,0.000000,-0.260211,0.785262,0.561830,0.000000,-1661418.434597,5013810.789283,3563208.390569,1],    "boundingVolume": {    "region": [1.890727,0.596586,1.890828,0.596607,0.000000,11.140338]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/9_1419003.b3dm"}}}