{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xdaa030745f7627d3a98d340e756f0d8a0b24ec812f476449b2572e55e77b352b",
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}