{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x78e6a3bd9cb2e7ea3cb17e9774d5343b8d1b1356f6d2587f69bf1d395bd8b1ed",
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}