Transaction not yet indexed

Am2F8yPYiChCh5sS1ukvdGJHx8BHPruMgvJjW2APnMPEyBcehqznpdW29R7zDkojd4EhinhpNHPWNURjP3nCWS2

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