{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xffceb449dcecf5d69ff0d66d63861a9b7285adacb89c237c212516724953692f",
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}