{
  "manageEntity": {
    "action": "Repost",
    "entityId": "449040297",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xadeedf6c0d6ce17d0550105ad133c9abbff017b7f63214a1c401d911cfcecccd",
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    "signer": "0x5abad058d33E1C0C0A69d85BA3181678C1721765",
    "userId": "632918751"
  }
}