{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x8a4c4f8a4697023bafa36ad9870c813df09f38ab784d398954af8e028f9b34f3",
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    "signer": "0x6af61a1BfE52f8D07411A6551040A9Db6A5a3100",
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  }
}