{
  "manageEntity": {
    "action": "Save",
    "entityId": "1385222531",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x303689ed2c4403da8d792d1225958b5c038816e4bba01108edbaf51dc4daf733",
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    "signer": "0xF7F56DF4D8a2Ae2BF9Ca645DC684f84c37BbDaFe",
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}