{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949405,-0.314055,0.000000,0.000000,0.175470,-0.530457,0.829353,0.000000,-0.259914,0.785734,0.561307,0.000000,-1659518.912181,5016815.302249,3559885.476171,1],    "boundingVolume": {    "region": [1.890208,0.595924,1.890307,0.596006,0.000000,7.802358]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/8_1361285.b3dm"}}}