{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x6f6ef3a52b9145f81e4ee1a164b0e0a841606adc34969afbb8ac430bffb5bcd5",
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}