{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949887,-0.312594,0.000000,0.000000,0.174698,-0.530859,0.829259,0.000000,-0.258675,0.786043,0.561447,0.000000,-1651611.292762,5018790.852483,3560772.298055,1],    "boundingVolume": {    "region": [1.888633,0.596031,1.888805,0.596236,0.000000,13.249227]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/2_1349492.b3dm"}}}