Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,547,150",
      "signature": "0x99b4eb56b22a96e4749b29ff6edaae3d087d2498f8814c0efec28f33ec9be13b261eb43b02ed2ab7ea0f4bdeea2fa554",
      "randomness": "0x8c6626bc1c30e310f711ee35e60eb5cb35313877cd2a18cd6bea28717d4cc06c"
    }
  ],
  "blockNumber": "7,407,123"
}

{
  "Sr25519": "0x26f78f21369b1c257742df8fbb53b318e58cbba4c409107730824375b8dff920d5059dbbed2fe2a10c887b1cd12008f9d005eee74016a20fdfbc603b5e4fb189"
}