{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950587,-0.310460,0.000000,0.000000,0.173586,-0.531497,0.829083,0.000000,-0.256854,0.786455,0.561707,0.000000,-1639985.863437,5021422.051166,3562424.522121,1],    "boundingVolume": {    "region": [1.886424,0.596398,1.886522,0.596497,0.000000,11.071252]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/4_1389159.b3dm"}}}