Transaction not yet indexed

ffB91vB3aBcex1xggVxBBQ2Z6RTQEgTsiaZtokKauCweFaBo86vSRe6r6QHSAEb4dh7LmeYaM2vWNtDSMbWm74K

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