Transaction not yet indexed

Amt7mEXfa1meuPLURTMFUBjQLTQr7VdPJLLAhHa172nDVCPMLyakq9N1Hktk2RNUvkX9Ti4TZg18KqEcJhDf5m9

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