{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949975,-0.312327,0.000000,0.000000,0.174676,-0.531297,0.828983,0.000000,-0.258367,0.785852,0.561857,0.000000,-1649646.313058,5017577.087291,3563375.237256,1],    "boundingVolume": {    "region": [1.888368,0.596524,1.888506,0.596733,0.000000,8.733910]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/7/4_1334550.b3dm"}}}