Transaction not yet indexed

668s2SsCw8RP2HqNY6wF7dDCaehKuFLp4ohVHYc3CW5ut2GaicfSrMuUZn2r77RLTfiXKTzAdd7BcMHYZc8HLRW2

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