{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949813,-0.312818,0.000000,0.000000,0.174839,-0.530864,0.829226,0.000000,-0.258851,0.785951,0.561496,0.000000,-1652729.486646,5018199.662288,3561084.560557,1],    "boundingVolume": {    "region": [1.888942,0.596164,1.888968,0.596222,0.000000,39.684693]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/4.b3dm"}}}