{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "1059100",
    "entityType": "Track",
    "nonce": "0x599a5fcc15d9b9197315b64c2733a3406aaaac4a441ec42687ce388b3231d275",
    "signature": "0xdbe1248d9566037335134723a17177dc17b351eaedacd9775ab3154c4c5d53b707c21c45d78bdd0e1e17bb26eb97488c57f7666d40bf8dcf7672f1ab394411751b",
    "signer": "0x2BD0c2111290EB20B2843e8b1c0f25aA5cd52a6f",
    "userId": "618242981"
  }
}