{
  "manageEntity": {
    "action": "Repost",
    "entityId": "253399073",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xc8fcb00c9475f39fdabd1506bcd396f5dd604aa9f2918c4752463cc7a9e5559d",
    "signature": "0x1593ecec0ca9ed7c03c53754730b834f269840bd8f9525f83fd9ed8387f959633f57e70bbd194ffee4d4e1329b797c0a13455973a789fc136605c6da1685d62c1c",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}