Transaction not yet indexed

AMu9p6bECFfbxVujC3qagaAV1AGmLx7ysAfGnfTcZn2faFyZw4e3soCSq6dPCCVVMdD1rf661KXerNqzWGdzWam

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