{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xd60b7fe3c31d7eee17a1a38bba3dd2e7683b4b5698c7c4ec8093a294100be8a1",
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    "signer": "0xBe9B6f5cb472cCcDCEFf1f823a3Ec32D93CcF9C1",
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  }
}