Transaction not yet indexed

1251f2K6ChpekkKGn7W88t3VqJzyzbmNQtLiV7b9T1P5cCdgbEhF3PWnv67rEXVmLv622uapLmpbuP2qZHE6L6bx

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.