{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x068770ebd68d846e201412f75d008fec982b5140da0a530632a12119bf6e45f6",
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}