Transaction not yet indexed

4a91ESfDd4ThaeJWMEcWGKnnnRtZtNqcnPw6C1ASUm12tdSVf6VFunatDSRtypWFvXBMERxBwvGbjYm2PyyhjYtM

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