{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950648,-0.310272,0.000000,0.000000,0.173503,-0.531598,0.829036,0.000000,-0.256685,0.786460,0.561778,0.000000,-1638903.101172,5021455.027400,3562873.279676,1],    "boundingVolume": {    "region": [1.886227,0.596484,1.886325,0.596582,0.000000,10.633207]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/5_1390415.b3dm"}}}