Transaction not yet indexed

AMm8JoM61fat8CyygWiJrM8SbEnxW44Fq9FKgvUsCRkNQAE7QMxBwP8kkiifpoAnLCRCKbbo71Hm7pkr9hwWMpc

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