{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.953020,-0.302906,0.000000,0.000000,0.111143,-0.349685,0.930251,0.000000,-0.281523,0.885743,0.369060,0.000000,-1796408.818777,5651964.855275,2339222.510061,1],    "boundingVolume": {    "region": [1.878472,0.377949,1.878602,0.378045,0.000000,6.584941]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/21/12_47190.b3dm"}}}