{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950521,-0.310660,0.000000,0.000000,0.173563,-0.531047,0.829376,0.000000,-0.257112,0.786681,0.561272,0.000000,-1641627.009400,5022858.818734,3559660.690989,1],    "boundingVolume": {    "region": [1.886626,0.595865,1.886741,0.595979,0.000000,8.821021]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/14_1425946.b3dm"}}}