{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.857791,-0.513999,0.000000,0.000000,0.263126,-0.439120,0.859033,0.000000,-0.440762,0.735568,0.514459,0.000000,-2813733.552143,4695717.729482,3262215.205226,1],    "boundingVolume": {    "region": [2.110555,0.540314,2.110719,0.540439,0.000000,37.453941]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/14/7_389932.b3dm"}}}