{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950206,-0.311623,0.000000,0.000000,0.174272,-0.531393,0.829006,0.000000,-0.257793,0.786066,0.561822,0.000000,-1645977.226653,5018940.269754,3563153.665851,1],    "boundingVolume": {    "region": [1.887621,0.596494,1.887773,0.596679,0.000000,8.770327]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1329498.b3dm"}}}