Transaction not yet indexed

MUu42RFmuTsV47HeVXUnhpGAYSj59PyXguYpcBvHZdhkF6rMiBqxLs2hcAdB5EZXgTQUbBwHaPD7XH1AokXykR9

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