{
  "manageEntity": {
    "action": "Repost",
    "entityId": "478939373",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xc0bdfc953fa07e654d9c4fa316bc15ac8869a5b01adaf7b388d2199e2f2748ac",
    "signature": "0xb9705a3694f622ccf025a081b967ee69c0ab4e167089467c6769b2a94b68839a06fc31e46904c198776d0ae05b19c6f2e783fac594785400fc4c879a58ca1e1c1c",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}