{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949617,-0.313412,0.000000,0.000000,0.175177,-0.530774,0.829211,0.000000,-0.259338,0.785775,0.561517,0.000000,-1655838.602267,5017080.143803,3561216.767055,1],    "boundingVolume": {    "region": [1.889531,0.596177,1.889630,0.596259,0.000000,12.457991]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/12_1443505.b3dm"}}}