Transaction not yet indexed

21ffoub2MK4tZ3nRAcQG4DTjpzbV9AjvyV3ma3BC4ak4gd9uL9XCLSPokJB2najvEiycZtBFJSHeBbiJH5vHBvq7

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