Transaction not yet indexed

66Y521HynAaCAQvomwS8FtAp9zZRuAD5MNxaYk8Z4ocYpWkKMQ3LuE9HXNwLrdwEy32ebHs1U4apPFb5XrXQDNN5

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