Crouch jump down grab to get onto the first pillar. This can be done by holding shoot to prevent the use of the flash suit. Jump out then diagonally spark back onto the platform just above the first pillar to use the least amount of Energy.

Requires:

"canSuitlessMaridia"
"h_canUnderwaterCrouchJumpDownGrab"
{
  "useFlashSuit": {}
}
{
  "shinespark": {
    "frames": 9,
    "excessFrames": 4
  }
}