{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x14c5b04780bc761859ce9e18b2a870ce9c0556ef65e39cf04c4646da92462c20",
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}