{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xd09146a091d112bfea5929ba1eff2351b9b33912de44ef8f09ee4cb1a2c8004c",
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}