{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x3995c635781499c09a0feef062e145e7d3152adf99bc57593e9c84f26abb4830",
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    "signer": "0x053464CE555041482a39d0791A1F93bff74EC0EE",
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  }
}