Transaction not yet indexed

ShPoUR2k18WUXFN7AcjbUncXgbM4Z1c7XQkJLPbAZZ3NhHdWcfLVde2YFmgaPUxcpRxgcTFN11ZjbLddGe9Le38

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