{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949409,-0.314041,0.000000,0.000000,0.175407,-0.530289,0.829473,0.000000,-0.259941,0.785854,0.561128,0.000000,-1659690.209600,5017572.966493,3558745.289548,1],    "boundingVolume": {    "region": [1.890194,0.595707,1.890292,0.595789,0.000000,8.046471]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/5_1364580.b3dm"}}}