{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896322,-0.443404,0.000000,0.000000,0.283696,-0.573480,0.768529,0.000000,-0.339829,0.686951,0.642351,0.000000,-2170477.677354,4387529.263548,4075207.997617,1],    "boundingVolume": {    "region": [2.030122,0.697502,2.030255,0.697621,0.000000,46.269899]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/0_540075.b3dm"}}}