{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x3bf28ed71ba1aaf8c30d205a6a060908eade788e260baf580c4eac73200c132a",
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}