{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951891,-0.306435,0.000000,0.000000,0.112573,-0.349689,0.930078,0.000000,-0.284749,0.884526,0.369501,0.000000,-1816999.149986,5644210.032599,2342023.091617,1],    "boundingVolume": {    "region": [1.882160,0.378412,1.882324,0.378532,0.000000,31.872337]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/11_46074.b3dm"}}}