Transaction not yet indexed

Si2M74HHCYFSTqrveZtDGr5Mbc2LxUwCcn6JQrMD3ZpuZ1u4KwFUBHR1FsFCGNtSfXQECRcbFDGvAPJ9qstzQVQ

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