Transaction not yet indexed

NmmnZUHH2ECjfSjmfCbE3x7Bs68ZokNGPyW7cSGwJujnzzfc6kV5eZYq2JxCzpMXugRF4en1cnYvUvhid5zpKMH

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