{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x8019b92a6f3410fa72dcf7bdd0f24331bbe0dd2a199949d7543976954bdd199b",
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}