Transaction not yet indexed

21LU44FEsb8GAAtmfrFdM6rPYsASVpzLcrHbDGuTcLFQ1m44HFSgVFBnetZ9ujhJYWXLCdzE3MJEoCU5JvDKpKDE

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