Transaction not yet indexed

MAM6P4icnTvcd837MZVCvb7T2pheXAGqNE6tYt5LLTgH4SQLtZ3kjLcFEsHhehh6BprMRQRhUT29x48ZXgKYqo9

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