{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950822,-0.309739,0.000000,0.000000,0.173041,-0.531195,0.829391,0.000000,-0.256354,0.786943,0.561251,0.000000,-1636785.763982,5024533.640916,3559527.305671,1],    "boundingVolume": {    "region": [1.885642,0.595787,1.885787,0.596006,0.000000,8.801387]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/12_1422133.b3dm"}}}