{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949411,-0.314036,0.000000,0.000000,0.175561,-0.530768,0.829134,0.000000,-0.259829,0.785531,0.561631,0.000000,-1658978.410614,5015523.491090,3561943.202503,1],    "boundingVolume": {    "region": [1.890188,0.596315,1.890286,0.596397,0.000000,10.221963]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/13_1409061.b3dm"}}}