Extrinsic 3796421-2

{
  "call": {
    "TechnicalCommitteeMembership": {
      "add_member": {
        "who": {
          "Id": "0x0e5941ef5f6933eaf8f99a2fd0d98245e7fe6657abf5b83d34799e90377e2f4e"
        }
      }
    }
...