{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944148,-0.329523,0.000000,0.000000,0.184225,-0.527842,0.829122,0.000000,-0.272639,0.781165,0.561649,0.000000,-1740767.339646,4987644.880179,3562056.542387,1],    "boundingVolume": {    "region": [1.906537,0.596340,1.906651,0.596415,0.000000,8.804085]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/6_191815.b3dm"}}}