{
  "manageEntity": {
    "action": "Repost",
    "entityId": "816804799",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x99161299cfe29484c50dbfb9c76acf7ab6109ffc4520175ec3cfbd49b0aa7d5a",
    "signature": "0x91286ba21e633c85068968d9f682809b127266ea38a06d8fb72612bd59fab8107b47eb8c34a1853d1deb36b62a2d6a40a08b031dc403f62b9ff1d08b020eb5191b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}