Transaction not yet indexed

Ymu1ccX4htDmQMjvvNoHLbZ9aC78YfnKNknw9pX1YBNdXwABAQfzsgxD81XmMUZ3qpbceo3L1HmSPLPF5vNCETp

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