Transaction not yet indexed

AMtkEFcRwYhVbxcsEuCdgtDxVK4JYPZo5ceXibSf7dELGRy8mzu8qE5ciioKsFMKAPkvQSNKG8ZPcUaGLXfV5yG

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