{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951206,-0.308557,0.000000,0.000000,0.115692,-0.356651,0.927047,0.000000,-0.285775,0.880975,0.377114,0.000000,-1823579.962983,5621657.422978,2390323.913863,1],    "boundingVolume": {    "region": [1.884390,0.386627,1.884553,0.386730,0.000000,54.868675]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/13_23919.b3dm"}}}