{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949432,-0.313972,0.000000,0.000000,0.175109,-0.529519,0.830028,0.000000,-0.260059,0.786403,0.560303,0.000000,-1660439.791897,5021063.685367,3553503.695229,1],    "boundingVolume": {    "region": [1.890089,0.594619,1.890251,0.594885,0.000000,8.811800]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/11_1380030.b3dm"}}}