{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "231676646",
    "entityType": "Track",
    "nonce": "0x4b62fa562c7cb164c84da8786c997d2b88f800e903270be9b33586c09a213125",
    "signature": "0xc9af13394c0d7215809eb6c2b54f53888e14758d568ec472d219e478c1627d8712c20950f99872a84ce5eed89c6fbe6d5566cf7779aff223f1ed15328d5f6b351c",
    "signer": "0x27204C77Baa4a510c92A96A4ba3661CC53EE568E",
    "userId": "35918963"
  }
}