{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x262202f790b15a2e4bd644ddb6fdd11e6fd5cdb3ac1c13b120c6aa253d6f70d5",
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}