{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x7c4405a49d6d9f4d1db731806fb15abe209f094fa40ffce6228b74522f2ca3fe",
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}