Transaction not yet indexed

1aBuYk9MoSRtWM3JBcK4CaWed3PQm7fz7gxmCtoqZfU5Zwih9sroxgCspyYnYvaHzQz3pBsxMWXey5bSEP8GiTT

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