{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943331,-0.331855,0.000000,0.000000,0.186107,-0.529029,0.827944,0.000000,-0.274175,0.779369,0.563393,0.000000,-1750584.755033,4976214.619565,3573139.698565,1],    "boundingVolume": {    "region": [1.908993,0.598438,1.909138,0.598535,0.000000,8.803792]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/7_568804.b3dm"}}}