{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949528,-0.313681,0.000000,0.000000,0.175065,-0.529932,0.829774,0.000000,-0.259738,0.786239,0.560682,0.000000,-1658388.537847,5020027.725270,3555908.214828,1],    "boundingVolume": {    "region": [1.889782,0.595076,1.889945,0.595342,0.000000,8.804776]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/13_1369268.b3dm"}}}