{
  "manageEntity": {
    "action": "Save",
    "entityId": "766408660",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x05e7c116c4641dbe29a60afca641bae4503332a65a34cd823648273dbd5567b8",
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    "signer": "0x17fA7Ff574C377cf2C57373A47f1B79e96Ca82C6",
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}