{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "14850435",
    "entityType": "Track",
    "nonce": "0x755ee8b7c7a4acd46536948d9e1a4f6fab7cdbfb2f9cdacfd6bf28da6450eb12",
    "signature": "0xc62863f9b07143190139a98eb071c81d7770ef9b483008e9304cd6cc5dd38d202da74a756af03aabce80101c7eb67e4fdd8f045dd5ce96a142bf457037efccab1c",
    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}