{
  "manageEntity": {
    "action": "Repost",
    "entityId": "504421",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xdedd6f82935a78dc153a1cd91dbfeb96abdcc39e642bb14e60d090e4d57c723a",
    "signature": "0xdbf349a217190cfec387ac36f942d6fe9bf578ebe86d0c6abaad2dae8352b1521d8e556b2babe9270f504742077d6af54fec4100ea9fbc838ae6703200a95db61b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}