Transaction not yet indexed

53zb5aJuP4e9eSyMJuKei1zWqV9f8GtAfAr95s444E2LwpURgqaRTZ7Cuon6JfmDEWuEMJrFCq3SEjK5FTpnoiG1

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