{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858255,-0.513223,0.000000,0.000000,0.262496,-0.438969,0.859303,0.000000,-0.440236,0.736200,0.514005,0.000000,-2810374.184506,4699744.548917,3259330.369071,1],    "boundingVolume": {    "region": [2.109650,0.539785,2.109815,0.539910,0.000000,18.348433]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/2_315717.b3dm"}}}