{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949182,-0.314727,0.000000,0.000000,0.116028,-0.349929,0.929563,0.000000,-0.292290,0.881515,0.370808,0.000000,-1865123.389752,5625010.769282,2350313.040861,1],    "boundingVolume": {    "region": [1.890911,0.379821,1.891019,0.379936,0.000000,41.877376]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/13/21_77486.b3dm"}}}