{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949124,-0.314903,0.000000,0.000000,0.175955,-0.530332,0.829330,0.000000,-0.260609,0.785480,0.561341,0.000000,-1663954.312138,5015192.373374,3560100.362914,1],    "boundingVolume": {    "region": [1.891082,0.595952,1.891219,0.596059,0.000000,14.224535]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/9_1360629.b3dm"}}}