Sort:  

It is just another name for staked UFM, tribe sites and steem engine doesn't show when someone stakes tokens to your account for you, but your staked balance has increased by 500 UFM.

Our logs on discord do pick up when someone stakes UFM though:
logs1.png

Coin Marketplace

STEEM 0.27
TRX 0.21
JST 0.039
BTC 97352.82
ETH 3723.57
USDT 1.00
SBD 3.95