{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950869,-0.309592,0.000000,0.000000,0.172979,-0.531281,0.829349,0.000000,-0.256220,0.786943,0.561313,0.000000,-1635929.506433,5024530.277630,3559922.996221,1],    "boundingVolume": {    "region": [1.885488,0.595862,1.885633,0.596082,0.000000,8.816387]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_1422306.b3dm"}}}