{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949038,-0.315161,0.000000,0.000000,0.116822,-0.351785,0.928763,0.000000,-0.292438,0.880613,0.372827,0.000000,-1866081.215948,5619287.343506,2363122.204197,1],    "boundingVolume": {    "region": [1.891354,0.382004,1.891492,0.382104,0.000000,7.851880]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/22/21_65080.b3dm"}}}