Transaction not yet indexed

1aMSz2jmjTk8Ki62RKQNG3GXJuKqHo2kszwGfdZMSdxs86Z8S5WWp3zg6YJfHyfHimPXS2e9P2ppD739N2LkQm6

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