{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949859,-0.312678,0.000000,0.000000,0.174798,-0.531004,0.829145,0.000000,-0.258709,0.785912,0.561616,0.000000,-1651826.516411,5017952.227014,3561846.973346,1],    "boundingVolume": {    "region": [1.888722,0.596235,1.888893,0.596440,0.000000,20.275392]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1401955.b3dm"}}}