Transaction not yet indexed

21M52jXmBgGUogzGe4srjtpPAHtBDfyt16v3smVFSNsyMA1sXNLUo8eTjM8xVRaeYKiqHJaBMMTJdQ4VvQPmQusK

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