Transaction not yet indexed

LetXe1BSRuDv5367FNZVZjFZixU5ZzYe7dFYeZ2vWS7itqwBXFhw1DtbwSuq8y4dwxtDC8ukCiVrnYGM9D8YdPm

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