Transaction not yet indexed

21n43GE2RZ6q5MF5E1ocQGAe8wzSwx8HVKF51Qph3sCPNeibMU6H69UVqa2MHbQTgtZtPKzUuFHHs5FKJL4aHYP4

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