Transaction not yet indexed

SmpTYftPffTUaZgkQCh2Dt4LMmkSn1qoptFL9LRqgJ3n1hE41isfgDtdMPRJjvR7SkN3ifqQG9ZvkBeXvnPVHWU

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