Transaction not yet indexed

5U21FGaymoSWubfMJ5jH9yGkpSansjHbmnfQgaHmmbcLjgEz14pWppDyYQ7HQe3E9FM4YbQLuLWSUDFFTWRpibWR

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