Transaction not yet indexed

sa66YpXA1pdAMhckbKGDExfMoq4Wz8tTMPoqQkeRdqL8xoyFATKgdN5ATM5yETSXitxbL5RZZp3aHkgbYhxRJb2

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