Transaction not yet indexed

Nnkk4FrZ8otubtmUa7CVCKCXEU8MXorKTHyebG3YR2msvHWKgHuP8VEAMwZ4PR5ebTF8ZkH2n9DkT6HmzaFmST7

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