{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x7f5046832a4ebc5394d2fb71ef6bb84056200bb61ebfe7e41c59ebdfd4b5f5cc",
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}