{
  "manageEntity": {
    "action": "Repost",
    "entityId": "20191812",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x013fec5cc76bbfc603378176a927ba8b7b55e888565ae173d03a57bb861684bb",
    "signature": "0x3e6bd405b7ae46a4553c9f3167d5d148dbc479536b65d72394389033f6070f80091112c29d36d85c4e99f5c0c85eddbebf718b50b178a7c61351b31c9b7562831c",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}