{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950007,-0.312230,0.000000,0.000000,0.174527,-0.531026,0.829187,0.000000,-0.258352,0.786074,0.561553,0.000000,-1649545.230232,5018989.625887,3561445.241641,1],    "boundingVolume": {    "region": [1.888250,0.596159,1.888421,0.596364,0.000000,16.131921]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/3_1439400.b3dm"}}}