Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,626,214",
      "signature": "0xb357149ea2fa1da291d21f811a042e11167d2842c2b98cb73bb75390b7de18f9dcb7aaf19d0470d9c9180a9d3dddb2a0",
      "randomness": "0x1288f221dff12591e63c502e13544e99bfd7168c4258d7349ad8c2fd76a823bc"
    }
  ],
  "blockNumber": "7,426,868"
}

{
  "Sr25519": "0xc43c80552bf3b8e9b0210803ce65fe660e2c363bf13495bafbfe0f06d3bb1144ebd09ae9ba1050bebe1b442e8368b4a22963c8d9d371cf1ade26bdc19bf0e68b"
}