Transaction not yet indexed

5b1QqESmhK8Z1bFCgREZbdhJLi9GhuxMYYvbDH8pygmzQvk9UQEi1GP4yMft48pTQEMT27pRCg9gFYKJFp9EMLS5

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