{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x176dc72b98eb126da7c87d7b6c67d4b59a8b13a3849f099aaa2cf9bc88f34f76",
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    "signer": "0x1b97a368c680A6B982f96df28AF90b862ED2Df49",
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  }
}