{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949449,-0.313923,0.000000,0.000000,0.175502,-0.530800,0.829127,0.000000,-0.259733,0.785554,0.561643,0.000000,-1658365.961713,5015672.481424,3562018.098582,1],    "boundingVolume": {    "region": [1.890069,0.596329,1.890167,0.596411,0.000000,13.684404]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/13_1409473.b3dm"}}}