{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948846,-0.315738,0.000000,0.000000,0.176516,-0.530459,0.829129,0.000000,-0.261236,0.785059,0.561639,0.000000,-1667963.010319,5012508.201369,3561991.471684,1],    "boundingVolume": {    "region": [1.891962,0.596312,1.892100,0.596418,0.000000,8.794218]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/13_1112083.b3dm"}}}