{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x5a8f5e740ce09f0f7108d4449090563ea0b65a6d89d742980af0dcf7cb7a3529",
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}