Transaction not yet indexed

Me8Ceebwtw3CzsBgVMC2WX8M3fDtPaPEiHW4hXNEJS1eQMqpr3iEccmnFyxQY8MGgoWZmBLFUPxe3VZsuDnsU1Z

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