Transaction not yet indexed

ymS7uBmy9NUdFkKnwvucg8fTrkHwU4HpePGpLTGDAWwYbTBQN8wDqB9gRtNVUkb2ghtHATU6WmiNEZMi5SN2cC4

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