{
  "manageEntity": {
    "action": "Repost",
    "entityId": "753154647",
    "entityType": "Track",
    "nonce": "1788920757234047945",
    "signature": "0x5887fbde8c50f85f966235aeb824832ec7858cf23730f9a8d03e172ff55915e612df4c1f8f3ee2e8e814b42e4d96ed29a79903ff39e3db26bbae6942aa3482021c",
    "signer": "0xd30fAF377491796757Ef4C1B0ccA8a407920e663",
    "userId": "451691735"
  }
}