{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943772,-0.330598,0.000000,0.000000,0.183804,-0.524712,0.831200,0.000000,-0.274220,0.782829,0.558554,0.000000,-1750842.716125,4998209.682473,3542387.711309,1],    "boundingVolume": {    "region": [1.907678,0.592552,1.907788,0.592732,0.000000,8.053803]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/3_1246363.b3dm"}}}