Transaction not yet indexed

21e6kUNzJqEMdQbSSP3tfJ3AR3AtPRsZKk3Ndm5nF2D4ncrFMxA2q9gqSwksgzaWEJqLSKwPrQ9QKk3p28CGvgvx

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