{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894741,-0.446585,0.000000,0.000000,0.284377,-0.569753,0.771046,0.000000,-0.343397,0.688002,0.639321,0.000000,-2193238.307908,4394188.634922,4055930.837658,1],    "boundingVolume": {    "region": [2.033675,0.693552,2.033808,0.693677,0.000000,16.276192]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/4_984031.b3dm"}}}