{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xaab897bbba8953e501960dd3ea03f25c087e71cd2cb8be027f932f76d464b715",
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  }
}