{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "467742",
    "entityType": "Track",
    "nonce": "0x51affdec755489d1149ab89cef9a7087c0a161fb137735c94b634a8cbc414655",
    "signature": "0xcdbf173aab85d389fc217b8d56feb7959a4a876bfcda2a11e86afb049b00d573239a46531f626e5aa37dd54caca67d2a89daadf60db090860caa43a3c5cc53371b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}