{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949454,-0.313906,0.000000,0.000000,0.175455,-0.530687,0.829209,0.000000,-0.259746,0.785637,0.561521,0.000000,-1658444.926287,5016200.357622,3561243.131432,1],    "boundingVolume": {    "region": [1.890051,0.596182,1.890150,0.596264,0.000000,8.656528]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/12_1358540.b3dm"}}}