{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x3b0376a8f0d97eb87f427b5bc705477aa11d0d82986a72acc93820ecea1f6cd2",
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}