Write Pulse

{
  "public": {
    "Sr25519": "0x5ada7b33a4ed49c65c755d60033de7528010eb5442c02ac5500ed22e567d0b24"
  },
  "pulses": [
    {
      "round": "25,551,537",
      "signature": "0xa1dd625300cecd28a4ebc39000d73247d4d75bfa73a4357eb8a50d443e4661b8e06f8c76e83929823b34a08393eb90e0",
      "randomness": "0xfacc1f0326c3886773413d1fadad502cb7165d99d4ab46afad3bbb097044d4cf"
    }
  ],
  "blockNumber": "7,408,220"
}

{
  "Sr25519": "0x78a763ff9d15b7f987071014c8e5b3c91dd0303ca7c2eb521a7d7bb270ee934b0862e92ee2cdaf6f31e012d768f9780550d1f1936a6eeab4c2e5146a786f418c"
}