{
  "manageEntity": {
    "action": "Save",
    "entityId": "1334327977",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x7b6f15892043dbb1a2654b3a0499a79c0268c87073814884710dbc695a3233e4",
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    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
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  }
}