{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x89e5c0800ce2c47431c8d7a942b6fcf5cda7374f1f417f0aafd4d6b1ff79f6cb",
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}