{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950148,-0.311800,0.000000,0.000000,0.174230,-0.530931,0.829311,0.000000,-0.258035,0.786309,0.561369,0.000000,-1647519.331036,5020487.239842,3560279.821235,1],    "boundingVolume": {    "region": [1.887814,0.595935,1.887952,0.596144,0.000000,8.779620]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/1_1350538.b3dm"}}}