Transaction not yet indexed

4xh21HPp2HCyMb7kMDUTa6MSo7YcUUsxJqEVC6mLbY44kqXgsUJEYCQNXpDSkphtnTwNLuwJU2TLbDhRvFafKqio

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