{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949770,-0.312950,0.000000,0.000000,0.115294,-0.349905,0.929663,0.000000,-0.290672,0.882157,0.370553,0.000000,-1854795.770426,5629102.987051,2348698.817551,1],    "boundingVolume": {    "region": [1.889025,0.379514,1.889163,0.379696,0.000000,6.172111]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/7_5679.b3dm"}}}