{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x3d026da0d417c830b98328035128a89fb6e0b04d99260b905bc62d6f47db6e83",
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}