{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xe98e2ff885120ac8b48a0043e1f459ba58a8ebcc2c293e6709ab23586cdbbfd4",
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}