{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xaab8f8544728e6d15815a20f8c2c4584c542b1a156b45e8107353e54490c89fd",
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  }
}