Transaction not yet indexed

5421cvKF6HWcALFAuvd5WaS79LQCdJwSnEgVn8aUQi3ZVErVTq3qSwuhZA6Sxs8UMsYQHbwZMyujM2amLf8kdLy1

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