Transaction not yet indexed

5191iYPQ19yapcbqXV6CSCV2KN5hJE5e9xcWYX7ojCC1iDd1qThxLdQF5AyJsgrherY4NcPvBdnQtWebTcb9WCwq

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