{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949220,-0.314612,0.000000,0.000000,0.175452,-0.529359,0.830057,0.000000,-0.260599,0.786255,0.560260,0.000000,-1663884.100685,5020121.534144,3553225.597768,1],    "boundingVolume": {    "region": [1.890797,0.594604,1.890892,0.594794,0.000000,34.242190]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/12/27_1380263.b3dm"}}}