Transaction not yet indexed

s15M4k6jSC2N6exWPvZvtv2t5DVJCY31zbAnCdJ6szSvY91vKaBiSJUBm1HE4M7oTAeCUQNKxkbYi2BrpYLU29K

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