{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x2e84dc0a6d8aa06b821170581d2daa5ba2b8b6883782b8923ad094ed4d5577f8",
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    "signer": "0x03D3E62a23916C675244506a088A380b18917DE5",
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}