Transaction not yet indexed

UMJHKf5hXKNUyfsmhxCKo4dKgiM2gfscqD2YRkRmGsCaWpPG2VsdVdDv1bhkRcm4bjp7EW4ZDuDzM7mAV2o1Ls6

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