Transaction not yet indexed

MS6iarAwTjffTSyK5hXBXjKsUtJULPmw9QNEX2gkfqRGCkFvk4EBMRSFhDigd2fY3YpDhZnBTrYbqZggMjp45QT

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