{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xab83c9825683a360a2ffee3ed4dba72b6a6803da254aed4a965e148ab390755e",
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}