{
  "manageEntity": {
    "action": "Repost",
    "entityId": "503414747",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x424021ac8f023ae1e13559b7254433138dacbdbbd89dd189a7e2e2b098ae9e36",
    "signature": "0x7f48f3c6fa711c8fbd876e7d39c3f84b76a3101ce46345c8ed36a5cecef149e10efa13c0291b0d8df9e47b616574fa92b330c5b1c806573b16fcdee64325ed651c",
    "signer": "0x73317E9D44b6E1b7d146760b12dc5546Cd140ED2",
    "userId": "683609933"
  }
}