{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948823,-0.315807,0.000000,0.000000,0.176339,-0.529800,0.829588,0.000000,-0.261439,0.785479,0.560957,0.000000,-1669253.934657,5015174.831717,3557659.746863,1],    "boundingVolume": {    "region": [1.892055,0.595430,1.892151,0.595653,0.000000,8.812894]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/14_1181574.b3dm"}}}