Transaction not yet indexed

Am8AFgBerrHLGoXJqwf68pkGQ5xuPTjoYsVLdBKfrmgF1FkZ1WXr8RSh6YEPH4mNSyvecJ9SYF5v2ekfmRjWXH2

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