{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949245,-0.314537,0.000000,0.000000,0.175907,-0.530871,0.828995,0.000000,-0.260200,0.785260,0.561838,0.000000,-1661348.055804,5013797.163709,3563260.029617,1],    "boundingVolume": {    "region": [1.890715,0.596596,1.890816,0.596617,0.000000,18.185274]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/9_1419844.b3dm"}}}