Transaction not yet indexed

21Sz2rwzoXaiSrphff4mA9JsgBj2ngCaaPFq2rtWYiu8BjTminJDZS1jRZUkwFmfeMCbx8g66ixLUk2bSW7DmduP

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