{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x6b91272c877f89b84397a962d2ab99f7c9d0b48cca2e80d8ada93558d98aee4e",
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}