Transaction not yet indexed

121zfZU4TpQE39tUjCJRPbMdK15mDQRYCod96ftVw1qA8uh7HzK2FZHN5WrBS9Lqf9jsbUFWF6L1Hy4nrbsVyiC9

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