Transaction not yet indexed

21UbLBuHTJfYa8Ev68QmYjx7rssoZQmesCDm4QVwmRRkkWEBogtGwvx9zGFzzHuTjDV1UTEX5puw7GdkFa4PQUKC

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