{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949072,-0.315058,0.000000,0.000000,0.176200,-0.530778,0.828992,0.000000,-0.260630,0.785115,0.561842,0.000000,-1664095.204597,5012869.215992,3563283.548053,1],    "boundingVolume": {    "region": [1.891264,0.596600,1.891365,0.596622,0.000000,9.660840]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/21/10_1420246.b3dm"}}}