{
  "manageEntity": {
    "action": "Repost",
    "entityId": "639272502",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xf3f404243ba6d380bbfaf8b0450e9d8a3f9c081800c06fd28777301dd59b5daf",
    "signature": "0x6879e03a6707d63d1c977cb22852d348e66bcd7a418132708359d4a9e39a67d251069775a484c835ec7ab4617b9d3e170cb660b9120b40a67a15e74a347de9911c",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}