Transaction not yet indexed

21MPmSAk9DNNAABUhk8zmrUKtRub7zeL7j1r5duXaiEDpDGEMfUmdphJvWdtBcFDLf8uDmp5LM2KVXPyrHQXb3HE

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