{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x1772522ed3a472b07c039f055795d05785bfc3e81382f8fbd1d9d0dc586fc3a0",
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}