Transaction not yet indexed

28mayS5PEkFJDiqVCh2g9djJALxNxhJXFaCC2fcErkAM6rtBuKM9iXaUkmu8UwsQK3CzBLjWm5XGPwSqBcsVSWrk

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