{
  "manageEntity": {
    "action": "Repost",
    "entityId": "639967414",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7b12fc1797d83a11273d241ecfd5397e8f98deadbac55e80ab5eae12e1d609af",
    "signature": "0x634eb1916372829c1e0563ca419d45e809b9965261ce4a2e6986480f9c2449a6284d8d119845325eb5addcfd247d8f472af8743eda83270a773efb83ef4fc29c1b",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}