{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949314,-0.314329,0.000000,0.000000,0.175722,-0.530704,0.829141,0.000000,-0.260074,0.785457,0.561621,0.000000,-1660543.013020,5015050.860929,3561880.041641,1],    "boundingVolume": {    "region": [1.890497,0.596303,1.890596,0.596385,0.000000,8.777598]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_1416277.b3dm"}}}