Transaction not yet indexed

HMb6ToeX6yE3bW6vkrrt38sDNdJmrZ4q7eSeN4e3c4zQC4zTkDAmt4QMYduwTcPJ3yCVxUa5dWFJfFACCUARG7Y

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