{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950743,-0.309981,0.000000,0.000000,0.173325,-0.531605,0.829069,0.000000,-0.256454,0.786570,0.561729,0.000000,-1637428.673429,5022156.978323,3562563.888036,1],    "boundingVolume": {    "region": [1.885887,0.596390,1.886052,0.596559,0.000000,8.812708]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/1_1386076.b3dm"}}}