Transaction not yet indexed

21ESTZGktf9gCtpSdgu7HBdmnMw8EHrBJyZQH7WPNhZwPyD8FTKLKddADdF3h2eAtwFBUVkC4s9fL4tEu9pUCTep

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