{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xda52c3ee46422e445c0b05526a93e6646d12add9ebb8b24a9bb56a0b6e677d6b",
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}