{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948818,-0.315822,0.000000,0.000000,0.176338,-0.529767,0.829610,0.000000,-0.261459,0.785495,0.560926,0.000000,-1669377.996715,5015276.666491,3557459.323576,1],    "boundingVolume": {    "region": [1.892072,0.595392,1.892168,0.595615,0.000000,8.792748]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/14_1181350.b3dm"}}}