Write Pulse

{
  "public": {
    "Sr25519": "0x0addb25b0d4e9de244b714f767f5a052ff4c2e94375cd38fb23c319771e29a28"
  },
  "pulses": [
    {
      "round": "25,557,497",
      "signature": "0x907338d1f6b0124bb5bf5bd010486d85291be48d64e513eff8d630830cd4fc48520a8d820503d9eca4ab47a497cc153b",
      "randomness": "0x2837264638e85a0ef2cdb4f854908f085cca6af052cdb3f5586b51c20c5cb4d8"
    }
  ],
  "blockNumber": "7,409,710"
}

{
  "Sr25519": "0x300fe491b283b553174719ef61d2f017ef2372afc686ad08065c81b83f9c2b7f129b0d79d239e842aecb505f7349191dbdc647af1028ed1cb5928989a635328c"
}