Transaction not yet indexed

5Xk21KQunudeh4ZGxoxVRJAPUbakv5tCv2B1ckxbXQW3vB8rLN2DwqNcDATTusCwBwFgSQVN5YNwTNRLnycMhhoR

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