Transaction not yet indexed

21c4MZcsxpVmhHsT41XJ9BRD6kb4iFdAeUvskoVfDRnkjgfv1xQ6vVC1Rtq1DoT547F2hSrZLEpseyYySaNPFV8R

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