Transaction not yet indexed

MCf8yTQJegxdtHirn3rYsZbx9bYtXZDTrSYZVdMkSQ48TaVeVwL12ESaB2HxNfT3Ynmz3C3r8UezwALNaCAmhFp

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