{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950630,-0.310326,0.000000,0.000000,0.173700,-0.532101,0.828672,0.000000,-0.256615,0.786097,0.562317,0.000000,-1638461.287238,5019149.083759,3566300.936643,1],    "boundingVolume": {    "region": [1.886249,0.597100,1.886415,0.597269,0.000000,8.779138]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/6/6_1384491.b3dm"}}}