{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948787,-0.315915,0.000000,0.000000,0.116062,-0.348569,0.930070,0.000000,-0.293556,0.881634,0.369522,0.000000,-1873193.561750,5625753.699836,2342157.533049,1],    "boundingVolume": {    "region": [1.892165,0.378460,1.892270,0.378530,0.000000,65.051490]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/15_11493.b3dm"}}}