{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950355,-0.311169,0.000000,0.000000,0.173550,-0.530047,0.830019,0.000000,-0.257734,0.787158,0.560317,0.000000,-1645595.321972,5025886.316190,3553590.852278,1],    "boundingVolume": {    "region": [1.887169,0.594710,1.887269,0.594827,0.000000,8.622843]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/4_1459704.b3dm"}}}