{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950292,-0.311360,0.000000,0.000000,0.173780,-0.530390,0.829751,0.000000,-0.257809,0.786850,0.560715,0.000000,-1646073.777228,5023928.333181,3556119.965730,1],    "boundingVolume": {    "region": [1.887370,0.595191,1.887470,0.595307,0.000000,7.794098]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/8_1345529.b3dm"}}}