{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949114,-0.314932,0.000000,0.000000,0.176125,-0.530792,0.828999,0.000000,-0.260528,0.785156,0.561832,0.000000,-1663439.292249,5013133.243099,3563218.796025,1],    "boundingVolume": {    "region": [1.891130,0.596588,1.891232,0.596609,0.000000,11.195197]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/9_1419309.b3dm"}}}