{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x4921875af0fb8661d02e6c1fc588c35ef3a9b29ee0bf1150c17a5fdc43f45d28",
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}