Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,588,190",
      "signature": "0x87155831fd54d58cbdc671e9e11e1915b4759dd6cdfec99f1be22759cbb951f0a6e36293c5874cf706fd1ed0375e93c1",
      "randomness": "0x0f381f667ed5ac1911a847a1e45e11a82631d43525014b3389b15825c97c1c3e"
    }
  ],
  "blockNumber": "7,417,370"
}

{
  "Sr25519": "0x26335db4844601cf66aff814f960a58f77a17c447514f18cf34e9c78083f4b14b92fbf4d0054e4be8d414341d8b5fffc289f1a0edfadc5620a89a6a22bea1589"
}