{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xdd11c9b36b59880374e52a404cdf11e247550ed9de8e2e501d0883341955fc0e",
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}