{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950885,-0.309543,0.000000,0.000000,0.172951,-0.531289,0.829349,0.000000,-0.256179,0.786956,0.561313,0.000000,-1635670.711071,5024615.377516,3559921.809504,1],    "boundingVolume": {    "region": [1.885436,0.595862,1.885582,0.596081,0.000000,8.816387]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_1422304.b3dm"}}}