Transaction not yet indexed

1AmT6rPrst3L1PV1b5jM9szmdd9k5P59vUqUEkc1dW4GPCRAScM6h1j1YpdDujoi4LwDhPUWy3ekAgeVNz9SME5

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