Transaction not yet indexed

5mamLdUkZSiKWGiCUaPC1y28L2TQuAUhRsZoVRkjeuwJGqdzCHs4GeLxEpmjMCuWe9KXJ7v3xuYhWw5pCCMguiXZ

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