{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950028,-0.312166,0.000000,0.000000,0.174496,-0.531050,0.829178,0.000000,-0.258296,0.786083,0.561566,0.000000,-1649188.725110,5019046.123990,3561530.151306,1],    "boundingVolume": {    "region": [1.888183,0.596175,1.888354,0.596380,0.000000,17.053839]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/3_1440246.b3dm"}}}