{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950834,-0.309700,0.000000,0.000000,0.171344,-0.526057,0.833010,0.000000,-0.257450,0.790420,0.555838,0.000000,-1643755.256111,5046628.791328,3525122.665067,1],    "boundingVolume": {    "region": [1.885588,0.589308,1.885758,0.589432,0.000000,7.987944]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/8_1462905.b3dm"}}}