{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x1df1c425ec90ca69de1c545338e5a2e145cb457511e030d2cf0a81e9903fde49",
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}