{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xa0218fb02c4d0e901d186bac2f44e69afe73cf44fefd0a72e04768a5374b67e2",
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}