Use your powers of observation and identify algorithm for decode/dehashing the following data.
Encoded DATA : NDg3MDQxNmU2NDcyNmYyMzMzMzkzMjMwMzMzNjMxMzQzMTM0MjM=Hashed DATA : 552502a2e83a1696362e60ffd3f2063d3002ac12