{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949491,-0.313794,0.000000,0.000000,0.175233,-0.530229,0.829548,0.000000,-0.259760,0.785993,0.561017,0.000000,-1658530.954651,5018460.489194,3558038.978126,1],    "boundingVolume": {    "region": [1.889901,0.595481,1.890063,0.595747,0.000000,8.409832]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/15_1366534.b3dm"}}}