{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x298e086d27126b4d80c0d7d8c40ca40f1f749fcbdb6d49df431e23a7ef681ca3",
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}