{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x8ea6ca94d0bf7049f174c3125e5dfbdafefe9dc3aa8ea9e342a87e21f7aedbaf",
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}