{
  "manageEntity": {
    "action": "Repost",
    "entityId": "121819311",
    "entityType": "Track",
    "nonce": "1792087163545294312",
    "signature": "0xa65e142146377c52a72528a6de376d8f43203c9be0e2b5bfecfdeabe4616099d0294740c95eb695cd694da6da8a4ad21bc0af02bf4dad768877209e4a4e59bee1c",
    "signer": "0x512F9723ECbDB6Dc537A671b3D2fb35CC68017a4",
    "userId": "105562689"
  }
}