Transaction not yet indexed

ER2HXBgsoTGZ15GuAPcdq8cDDDTRNwUNKDmE6JQGZvEq8UbifMhyiBWEPBAtq8FdhtjCPRmCu3JbvL312pgpSK8

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