Transaction not yet indexed

21WU4vC9Ap4sqXHk6ZKGMPFQVuAw6BYUvKw7mZ1TJ3hJmxLw54kD4RTYqvHqeX3TRirW8fv6xPXX1TUBr2KNAucP

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