{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949176,-0.314747,0.000000,0.000000,0.176020,-0.530820,0.829004,0.000000,-0.260376,0.785211,0.561825,0.000000,-1662471.676246,5013485.637531,3563174.873324,1],    "boundingVolume": {    "region": [1.890935,0.596579,1.891037,0.596601,0.000000,7.957003]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/18/8_1418603.b3dm"}}}