{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949873,-0.312638,0.000000,0.000000,0.174785,-0.531042,0.829123,0.000000,-0.258669,0.785901,0.561649,0.000000,-1651568.996949,5017888.032356,3562055.416446,1],    "boundingVolume": {    "region": [1.888679,0.596275,1.888850,0.596480,0.000000,20.275392]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1403553.b3dm"}}}