Transaction not yet indexed

21v6upfkBiNtZMSHywUxgudiyMVX1CJb8sKpnQJYVY4k2aSX4WTFDv7vh3eGJ3FeHiuRH7hUFEi3x2p8M43o7SpG

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