Transaction not yet indexed

aMjk4GMEFGAH977exchkAgGNUNMqJySnUnYUTXdQRHDwoVq2cYDjRb3jCHGFWSkyCv3XvgoKPy8GkFm7TuhQQp8

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