Transaction not yet indexed

51c9G7gP8KdgaaiawC8VrdcA9BXQRBjuiSvhcip6TYx29ThLtuqwbuQyBH7h6nnN99d9HqFxLDnmnkVA5E1qEMby

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