{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xb2f7ab9129ff0e42454288acb896f1a1773bfa59e94a71274a0292811d8755d3",
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    "signer": "0x312eb8BC6BbB06B38DeD4B2Fa642C01E3651E7e8",
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  }
}