Transaction not yet indexed

k51Nfkuh1gE7tzp9wChYj2b9ttXr8W4z25oiy5pLMNgZysikb5SB1kemfVxv56yGnTZkC6x74Wk4AnpVysM6NSU

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