{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950111,-0.311911,0.000000,0.000000,0.174224,-0.530706,0.829456,0.000000,-0.258172,0.786418,0.561154,0.000000,-1648394.722814,5021178.861261,3558908.254715,1],    "boundingVolume": {    "region": [1.887950,0.595721,1.888049,0.595837,0.000000,8.801193]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/14/13_1428886.b3dm"}}}