{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1921567598",
    "entityType": "Track",
    "nonce": "1786724942819656647",
    "signature": "0xc7569c99b9d99129166b16f4f8508d2098eaabbafe1248f9c3e5a075514198044b36337cf131ea548efc05594242dbe604ead4c85bb251c087724d16c631a5a41c",
    "signer": "0xd30fAF377491796757Ef4C1B0ccA8a407920e663",
    "userId": "451691735"
  }
}