{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950009,-0.312221,0.000000,0.000000,0.174103,-0.529751,0.830092,0.000000,-0.258629,0.786942,0.560208,0.000000,-1651306.423619,5024506.203478,3552897.813251,1],    "boundingVolume": {    "region": [1.888244,0.594571,1.888408,0.594702,0.000000,17.566301]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/7_1460777.b3dm"}}}