{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944539,-0.328400,0.000000,0.000000,0.183607,-0.528089,0.829102,0.000000,-0.271703,0.781469,0.561679,0.000000,-1734793.246088,4989587.308276,3562249.404382,1],    "boundingVolume": {    "region": [1.905348,0.596377,1.905463,0.596452,0.000000,8.815103]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/6_189538.b3dm"}}}