{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.852826,-0.522195,0.000000,0.000000,0.269352,-0.439895,0.856704,0.000000,-0.446564,0.729309,0.518353,0.000000,-2850808.629319,4655819.727175,3286951.559469,1],    "boundingVolume": {    "region": [2.120142,0.544876,2.120296,0.544972,0.000000,98.780900]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/1/0/0_20920.b3dm"}}}