{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950764,-0.309916,0.000000,0.000000,0.173226,-0.531425,0.829205,0.000000,-0.256442,0.786718,0.561527,0.000000,-1637354.110447,5023097.371890,3561280.773140,1],    "boundingVolume": {    "region": [1.885828,0.596120,1.885974,0.596340,0.000000,8.812346]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/14/14_1423427.b3dm"}}}