{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894784,-0.446499,0.000000,0.000000,0.284526,-0.570189,0.770668,0.000000,-0.343162,0.687696,0.639777,0.000000,-2191738.922148,4392240.486807,4058830.914698,1],    "boundingVolume": {    "region": [2.033579,0.694145,2.033712,0.694270,0.000000,56.210722]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/9_1167520.b3dm"}}}