{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xee465b2b28bac223b98299ff5851c47fe4b3e31fd475c2a3a2b9b6e6fd662f71",
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    "signer": "0xae0B6069Fe929B7b2202eD963560EF31012Ee7dE",
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  }
}