{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x7178da7da9b83746a17aa15c58caa1b6a8ad01f4330740ba5ea364c2cb45f75b",
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}