{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948953,-0.315419,0.000000,0.000000,0.115896,-0.348679,0.930049,0.000000,-0.293087,0.881767,0.369575,0.000000,-1870207.348216,5626606.820087,2342492.330225,1],    "boundingVolume": {    "region": [1.891642,0.378517,1.891747,0.378587,0.000000,26.702444]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/9/15_11656.b3dm"}}}