{
  "manageEntity": {
    "action": "Repost",
    "entityId": "423556775",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5c4c8441c0ef7b8e588d266e2093a191af8e9cc0fca1800296a8cbd3e20c1ca2",
    "signature": "0x95210ce70cec76b6b4b0e0f06a1d6f43063802d680d105af5cdd626371e75a933a550d3bee51e5623bd018c13ab0983426d093c59145b9cde7715ce2168e111c1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}