Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,551,931",
      "signature": "0xb92e0eef237532a151bcc747ba3e724970913763e0c1d8c464531359bd0a2236df7b3a0b8a4abac097ca45291a1647ac",
      "randomness": "0xffbfe71f9e3abda0ab9184273bb973ee5f2c11d1927074b1a857dc3abad99db1"
    }
  ],
  "blockNumber": "7,408,318"
}

{
  "Sr25519": "0x92708f422bf0c3453fec273a08a1b2be4c45242b258715b1a2eebdd3abb1b24df5b2520e90993ef0da3774533a0667be364a8a4a874f2a5ded2f46f192711084"
}