Transaction not yet indexed

RMKB4FRdBExFWfz2fks3VUC4wTj4B7BNxvqRP8cNCiXAHFzcFfUiKkPbJPirKwEWDwLceBAv5SaLapmz3ZuPHvK

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