Transaction not yet indexed

21u5ZzZFGYjJL9437myoAYbZBxGtxYDK7yWHi2t5XMh6LDxzsJwBakpkVWKLhGrmmD1uBbcSPGUCWkhCPRrk387H

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