{
  "manageEntity": {
    "action": "Repost",
    "entityId": "291719475",
    "entityType": "Track",
    "nonce": "1792404680969838711",
    "signature": "0x74ad06ed53f0296995f201bd8ec6ba2deb731a8397b11629525f1565105634240fa37a87edc1793f947318b9f0eb93e0283448386a94a550e55170813f7d91191c",
    "signer": "0x512F9723ECbDB6Dc537A671b3D2fb35CC68017a4",
    "userId": "105562689"
  }
}