{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x7d1c0b36aa3d105fc0e96e4addfef5f9f1e0dbc932e6e04278a0dd856e24cd4a",
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}