{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xae28285ee014cc6be8c1aa110958723d0de284f65057e2e0e9bf4f85b0b77ab1",
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}