Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,599,770",
      "signature": "0xb6ddb2e1891f2289ecd0471002b707c3ce20da687aa274ce10c30d8f208123ad872fd2347330ef19d3d11e4db690465f",
      "randomness": "0xc33831418c602929a0528c523a763ef1bf111b3075a4027f50545eee3cc98316"
    }
  ],
  "blockNumber": "7,420,259"
}

{
  "Sr25519": "0xa81a5f122c2e26bb203be7d9f5413acd9698fd7e3a2de34fc9533aada1d6d03b5122d0b741e82783ebb90373449660add89cf9886717ef8f1c8c50dcda767a83"
}