{
  "manageEntity": {
    "action": "Save",
    "entityId": "676313868",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x41c9a754718c3c0e9ee17ad9770904cbfcb609b037d8de867f5eb7d0dce7774c",
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    "signer": "0x7E7b9c4DAC3F284d889a5bc274eA80b8BA5F63ee",
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  }
}