{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948934,-0.315475,0.000000,0.000000,0.115906,-0.348640,0.930062,0.000000,-0.293144,0.881763,0.369541,0.000000,-1870568.971471,5626577.715361,2342274.951750,1],    "boundingVolume": {    "region": [1.891726,0.378496,1.891782,0.378534,0.000000,15.313242]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/10/15.b3dm"}}}