{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "1816163231",
    "entityType": "Track",
    "nonce": "0x5ad67eff16404742567156c96118d8dbc76ad8e5123b70e503d77da35c346fca",
    "signature": "0x63ca5dd87265ea58eb744a99f0f0e93a54fa1b9e9b590b904b2f01b43a3a679b50605d558df01fde5798ae82621da29bc833fb19ee2872d8550afc63729c8ddc1c",
    "signer": "0x27204C77Baa4a510c92A96A4ba3661CC53EE568E",
    "userId": "35918963"
  }
}