{
  "manageEntity": {
    "action": "Repost",
    "entityId": "543507",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x45a8b7be89dfeff829c859e38bc566ca97a7821c8c6b5f03f65565571d70ccac",
    "signature": "0x2c5ffce7e562373c605a37e5b9efe07ac684a83d7e1e0be9d82e219694e07ff34a2639575b24cce24cbf67bc38bb077becaed91f7a815b190b7aef17633a56c41b",
    "signer": "0x2BD0c2111290EB20B2843e8b1c0f25aA5cd52a6f",
    "userId": "618242981"
  }
}