{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950781,-0.309864,0.000000,0.000000,0.173145,-0.531273,0.829319,0.000000,-0.256435,0.786841,0.561358,0.000000,-1637307.323161,5023879.716299,3560205.802308,1],    "boundingVolume": {    "region": [1.885774,0.595916,1.885919,0.596135,0.000000,8.701631]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/14/13_1339549.b3dm"}}}