{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898763,-0.438434,0.000000,0.000000,0.283236,-0.580616,0.763323,0.000000,-0.333726,0.684119,0.648543,0.000000,-2131554.745788,4369560.391618,4114601.877095,1],    "boundingVolume": {    "region": [2.024569,0.705609,2.024734,0.705728,0.000000,17.268650]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/9_1832855.b3dm"}}}