Transaction not yet indexed

21c8Xf4uMAheG8pfuqC9g9YY9TuHJTmo3BrcK18VmDdstqNyXcf67SecwyZBWAiPrLeR6ZfWYKMNXoEWzUrzoCXM

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