{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xafeaa1c0aa3d05049d094c79ee1756e317deb54806dab9bcb5c273bb97a4262d",
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    "signer": "0x626c330De1fE664a6a91eE616d9cd1859C3f2061",
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}