Transaction not yet indexed

ME2121rHpdaQ53Pu27MHrSDT75gFWvHp4CmZ3DbPEsXq72b8eHw7eCuuk3mSWSg3aFwcHdZvyWU4Q6RPRQVVQdV

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