Transaction not yet indexed

mAU91AKeQkNeMSC623nhxDAMCZ9dYoYXFeYjGJMnmHnnVbpfTdggkN4xAGUNfP1cDL8mdMnQ9ihv4qCHWNX2PaA

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