{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943938,-0.330124,0.000000,0.000000,0.184217,-0.526738,0.829826,0.000000,-0.273371,0.781660,0.560604,0.000000,-1745432.408545,4990785.677807,3555413.041358,1],    "boundingVolume": {    "region": [1.907184,0.595057,1.907279,0.595172,0.000000,8.681551]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/1_1309817.b3dm"}}}