Transaction not yet indexed

AMTJmULFZK9eV6we5ZzMvYmw1JKuZhsgaSCjEJqaKqbki2CRE2JSMfjd4JmLZWiXbwXvV6k3ViCZFUWXvBgcPaN

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