Transaction not yet indexed

MecM9qKMyeVXLdXAudMZNL2eXM4P1BFjyDT9mCnYEBCNtddtComb6xBZDyXBWp7fEfcqBMZjZBr7M3k2CJSSztR

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