{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950088,-0.311983,0.000000,0.000000,0.172813,-0.526269,0.832572,0.000000,-0.259211,0.789380,0.556496,0.000000,-1655001.637812,5040003.550004,3529308.443902,1],    "boundingVolume": {    "region": [1.888016,0.590101,1.888136,0.590225,0.000000,8.395912]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/7/13_1338721.b3dm"}}}