{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x85df60bc91d0b7711609ebac0569f7945360ea910ca2e4ad90aba070d4adc106",
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    "signer": "0x93089007EeAD51Bd6cddF8C65321BAEb9460295B",
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  }
}