{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xe8ceb5d5a5be6d9dd609fbd7c0d7f366a4da958f24c3fa2ca7307bbeeb74451e",
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}