{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949426,-0.313992,0.000000,0.000000,0.175536,-0.530773,0.829136,0.000000,-0.259794,0.785545,0.561628,0.000000,-1658750.773884,5015611.495686,3561925.417911,1],    "boundingVolume": {    "region": [1.890141,0.596312,1.890240,0.596393,0.000000,10.221963]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/13_1409019.b3dm"}}}