{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943962,-0.330054,0.000000,0.000000,0.184280,-0.527046,0.829616,0.000000,-0.273243,0.781481,0.560916,0.000000,-1744619.473601,4989648.313875,3557394.479356,1],    "boundingVolume": {    "region": [1.907110,0.595434,1.907205,0.595549,0.000000,8.821017]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/5_1274912.b3dm"}}}