Transaction not yet indexed

21bBUrWPk4i3dq4SqJsfx9kdvFVvbBouPRJbTfdvq736oXQYVkBW9QRSPRD8k8mg1rmKucGC18j7p3p6fSyqqiRK

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