{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x6eb672b75b984e154e80a9e55ad944f4ffcfac64bcd985bbb530f06080886b75",
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    "signer": "0x7662cb86A5Ab2f46DF58d87368873d0f07FbC1Ca",
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  }
}