{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951664,-0.307140,0.000000,0.000000,0.115024,-0.356397,0.927228,0.000000,-0.284519,0.881574,0.376665,0.000000,-1815565.033130,5625469.266738,2387474.682690,1],    "boundingVolume": {    "region": [1.882901,0.386142,1.883065,0.386245,0.000000,4.122316]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/6/9_55463.b3dm"}}}