{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949889,-0.312587,0.000000,0.000000,0.174625,-0.530650,0.829408,0.000000,-0.258717,0.786188,0.561225,0.000000,-1651872.361248,5019710.238748,3559364.440563,1],    "boundingVolume": {    "region": [1.888635,0.595782,1.888788,0.595950,0.000000,16.978513]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_1352300.b3dm"}}}