Transaction not yet indexed

PmziSSEmsEmjPNAkeEe9SCpAYbKB9Xbx1ujwSBUXdxpBWj8fCECUMET3gYNQfutfbg6mLFHRBHjJkegCmiVdcou

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