{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949854,-0.312694,0.000000,0.000000,0.174786,-0.530939,0.829189,0.000000,-0.258736,0.785950,0.561551,0.000000,-1651998.699043,5018193.210774,3561430.393958,1],    "boundingVolume": {    "region": [1.888738,0.596156,1.888910,0.596361,0.000000,24.885976]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1439157.b3dm"}}}