{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896377,-0.443292,0.000000,0.000000,0.283690,-0.573648,0.768406,0.000000,-0.339689,0.686882,0.642499,0.000000,-2169579.717579,4387094.312632,4076147.974834,1],    "boundingVolume": {    "region": [2.029997,0.697695,2.030130,0.697814,0.000000,50.955103]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/0/1_531000.b3dm"}}}