{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897896,-0.440208,0.000000,0.000000,0.282602,-0.576425,0.766727,0.000000,-0.336583,0.686530,0.644506,0.000000,-2149760.459937,4384884.667187,4088920.218734,1],    "boundingVolume": {    "region": [2.026563,0.700343,2.026690,0.700412,0.000000,15.625746]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/4_852582.b3dm"}}}