Extrinsic 3796428-2

{
  "call": {
    "TechnicalCommitteeMembership": {
      "set_prime": {
        "who": {
          "Id": "0x843f3835670565b5892f2bb413f4058626b72466570ab45091b68014f7c5ec27"
        }
      }
    }
 ...