Transaction not yet indexed

21Rb5zzDUzFQmActpDH5vFR47ngtA6xuq6f8UCnFRWP9KoWbWUemq9ApAdbuNURWsB3KZx5gYz7NmWxZ8kVVZKqU

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