{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948863,-0.315687,0.000000,0.000000,0.176350,-0.530058,0.829421,0.000000,-0.261287,0.785352,0.561206,0.000000,-1668280.736413,5014369.739876,3559240.068159,1],    "boundingVolume": {    "region": [1.891908,0.595789,1.892045,0.595895,0.000000,7.471329]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/7_1069392.b3dm"}}}