{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949425,-0.313995,0.000000,0.000000,0.175537,-0.530770,0.829138,0.000000,-0.259797,0.785546,0.561626,0.000000,-1658773.716385,5015616.356080,3561908.007043,1],    "boundingVolume": {    "region": [1.890145,0.596308,1.890244,0.596390,0.000000,10.221963]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/13_1408957.b3dm"}}}