{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950590,-0.310450,0.000000,0.000000,0.173583,-0.531505,0.829078,0.000000,-0.256845,0.786453,0.561714,0.000000,-1639925.676603,5021408.212639,3562471.418746,1],    "boundingVolume": {    "region": [1.886414,0.596407,1.886512,0.596506,0.000000,11.800449]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/4_1389265.b3dm"}}}