Transaction not yet indexed

21Kmu8Qm4Un4V75KFhd77d1RbfnUwbWewS2kVTUs6qGvdwqcy7DqFy7yMZPL3BRUuuKy9HYrXDqo9AgroMAi4Djm

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