{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950659,-0.310239,0.000000,0.000000,0.116519,-0.357047,0.926791,0.000000,-0.287253,0.880222,0.377749,0.000000,-1833012.197116,5616862.801032,2394350.266886,1],    "boundingVolume": {    "region": [1.886181,0.387300,1.886300,0.387428,0.000000,14.312713]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/6_60251.b3dm"}}}