Transaction not yet indexed

121ZfLStrZNQ5RuAVUNKjPNZM31FKgFHT74mdFekqSQAwJe2S2Td6qvVYXp3t2DDXa3URRfCSu7fCyiBD5ZNzTPj

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