{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950583,-0.310470,0.000000,0.000000,0.173645,-0.531658,0.828967,0.000000,-0.256827,0.786341,0.561879,0.000000,-1639809.679595,5020698.578849,3563517.786508,1],    "boundingVolume": {    "region": [1.886435,0.596606,1.886532,0.596705,0.000000,9.111341]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/7_1394048.b3dm"}}}