{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.952475,-0.304617,0.000000,0.000000,0.114244,-0.357218,0.927008,0.000000,-0.282114,0.882113,0.377211,0.000000,-1800222.079740,5628919.618410,2390934.793019,1],    "boundingVolume": {    "region": [1.880297,0.386770,1.880369,0.386795,0.000000,10.546434]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/11/21.b3dm"}}}