{
  "manageEntity": {
    "action": "Repost",
    "entityId": "447548752",
    "entityType": "Track",
    "nonce": "1791121928453562318",
    "signature": "0xe5d11c4bb62d32fc1c7c6263ef91add9ff495d95def22d9ad47be89abf844ce831469bec66c29d533a722d99ccf78aaf21bcdccc5f78df98e569b6cf6bf8a17b1b",
    "signer": "0x512F9723ECbDB6Dc537A671b3D2fb35CC68017a4",
    "userId": "105562689"
  }
}