{
  "manageEntity": {
    "action": "Repost",
    "entityId": "456500919",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x6b38921cdfa039941108eaafbb37314c7520d3d2f82fb6c23e35576d79eb20a4",
    "signature": "0x2ff0617d0329f3527db1b3ff049ea1e41ce57c1fb98a435e9b6ff328565c54f077107fd2ee4496c65aaffee2217f74019955cf5fdf5a2135644ba346f809b7671b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}