{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x907520055db983b9fcc150d6b4f8f1b19cc3f321b57e006ec0bc785754aca7e2",
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}