{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949755,-0.312996,0.000000,0.000000,0.174989,-0.530986,0.829116,0.000000,-0.258963,0.785797,0.561659,0.000000,-1653447.561394,5017224.274847,3562118.464794,1],    "boundingVolume": {    "region": [1.889065,0.596305,1.889218,0.596473,0.000000,9.258883]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/6_1335771.b3dm"}}}