{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xf2fa50468a25818ff219c035fb9330b1bbd745172410599eb07bde7180fdbfad",
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}