{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x9de521e12d329da5b2d0b0968a7eb663da26e07daf5bf2e0b6d7542dcb64a4c9",
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}