{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x111c5ee55a2bc92c16dc16373977d64828fd1e0f883e8e49500e5b380acf9bfa",
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}