{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895081,-0.445904,0.000000,0.000000,0.284293,-0.570674,0.770395,0.000000,-0.342582,0.687678,0.640107,0.000000,-2188034.977345,4392133.791383,4060930.092222,1],    "boundingVolume": {    "region": [2.032913,0.694575,2.033047,0.694699,0.000000,39.711004]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/13_977450.b3dm"}}}