Transaction not yet indexed

u4UULknv2pVyY4dmMyqsr9tQcQChrHmuDjxw4LZ6aHHfRuDmFMJBgPMPacSbFwS7AALe1x1AJsfng3MyFds3fFF

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