{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x52dab13438e1bd9fbe4d1646aa74405d14983b4869dbf4b3d10db0ef3f17115f",
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}