Transaction not yet indexed

RKUKx5qKFXgip9ifKwB7tb9rJCCRCcCccHmpirsLYReMgyzzApbPAtQaNmPLpHrTss5ypn8MEfiTgYc6v2n2oQ2

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