Transaction not yet indexed

668vYf56fd5bfhoHHpKTA9dBbJDacBPEjBtqX4QfCKs1Ub3Fk1RfGPyGgwv69CBsccQybiRHDf4bigybEjdgU2D8

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