{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951248,-0.308428,0.000000,0.000000,0.115639,-0.356650,0.927054,0.000000,-0.285658,0.881020,0.377098,0.000000,-1822831.782763,5621945.872727,2390216.898037,1],    "boundingVolume": {    "region": [1.884254,0.386609,1.884418,0.386712,0.000000,50.877537]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/13_20567.b3dm"}}}