Transaction not yet indexed

21EMC3eM4c4LqiJwGebeR9KGda43VwhL19ysdKxNLs4rcVcpk18AXLhxDZW7JoyMJd9Pz6sUSfYA3WjoYFEG9Tcb

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