{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x42cad57c36e74c72aa9e5eefe13b896df15ed8cd67d7581fafc9e200618f55b0",
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}