{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950103,-0.311936,0.000000,0.000000,0.115550,-0.351947,0.928860,0.000000,-0.289476,0.881695,0.372581,0.000000,-1847177.689833,5626189.398876,2361561.565863,1],    "boundingVolume": {    "region": [1.887963,0.381737,1.888089,0.381840,0.000000,11.845411]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/19/18_67129.b3dm"}}}