Transaction not yet indexed

AMKvfr9iyU2AhVEevRR2RPU21qZfc3m7WwqLWi3T5u7WikQvbGi5pUGmcHVNc1g4vDCGtncADU8bM6zQdf9wRVe

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