{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949117,-0.314924,0.000000,0.000000,0.175963,-0.530316,0.829339,0.000000,-0.260629,0.785483,0.561328,0.000000,-1664082.810599,5015208.288554,3560018.432851,1],    "boundingVolume": {    "region": [1.891104,0.595937,1.891242,0.596043,0.000000,17.644930]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/9_1360923.b3dm"}}}