{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x5128172b2748a38a4d94fa9150bf460e64cda7042e7198d50e10f9fde7ec6a83",
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    "signer": "0x67BCAAF5Bb97c4A8C350F9f95988Ab9A11B3a586",
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  }
}