Transaction not yet indexed

AMk5hvHbZcj7rJnfKD3FHRD2p53kACRnZ3ToEGje2epv4BwUhKtNoXwYeuqAMsinFAFUpwonL4YqNxJXp8bhSP3

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