Write Pulse

{
  "public": {
    "Sr25519": "0xec788c8b83cf82b619fc794ddede0b9a52fca4e9d161e06d469f12a3ffed0012"
  },
  "pulses": [
    {
      "round": "25,570,474",
      "signature": "0x8bfb06bbb28ac550d9968389347de8c5bc5e5fcd39a41fe21b4f9c0452e520af160208ee8f630689f8f60765d60b0980",
      "randomness": "0x6dec5627337272c6baec86b0f82af633ec422a5b173bf319a4243e921d240826"
    }
  ],
  "blockNumber": "7,412,954"
}

{
  "Sr25519": "0xb2f77cc286e7f5ec80d0bcaa19c5b6231692be9a576a49f529d4ff1506f32039ec9fb35528fa72691391e859e9859dcced143970552ca168698066dcdd5b6184"
}