Transaction not yet indexed

621DuDGr8YsAkCyuJSCCCScxR52ktbktVHTsdjjmbSUR21yyr3HsCNt8VDuHyJmXZbPVNsgiyptXSqgCpmP2M6J8

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