Transaction not yet indexed

21MSgc3j7QtrUckhPPwZmN9ghAe2Ni7GBfibfFVA7kCUYQmGv5d7dMeGMKgLxLndEmSgUE9Na2DTsPZHTkg4p3r1

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