{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xa62c9b08528272dda9b54a0001d5adb3b5cf94ba6451bef9f9a582ddd6c9eeb7",
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    "signer": "0xbeE5536d0617e169922d9fFE35E0043135C87671",
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}