{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950586,-0.310462,0.000000,0.000000,0.173620,-0.531597,0.829012,0.000000,-0.256834,0.786386,0.561813,0.000000,-1639855.663741,5020985.302889,3563095.465179,1],    "boundingVolume": {    "region": [1.886426,0.596526,1.886524,0.596625,0.000000,13.834999]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/6_1391442.b3dm"}}}