{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949457,-0.313899,0.000000,0.000000,0.175493,-0.530819,0.829116,0.000000,-0.259710,0.785551,0.561659,0.000000,-1658217.414310,5015650.176124,3562117.987959,1],    "boundingVolume": {    "region": [1.890043,0.596348,1.890142,0.596430,0.000000,26.508872]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/14_1410315.b3dm"}}}