Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,555,769",
      "signature": "0xb7a902908b52e6b2de48627eb8bce82488364fb9d0f02a25062092a528e8e1030756a39dd0cf0b63aaf63254ff1cbd2e",
      "randomness": "0xc91343bf59df95689a57097402694c367a3fa76da9d712420b1f01dc6c78be1e"
    }
  ],
  "blockNumber": "7,409,278"
}

{
  "Sr25519": "0x5466651f5a262be89fc09cdefde80b2ad1b22572c487d1945f23f62f44c4904214ab0dd98324f17094234ec3e6bbb1908f331ba9e954e6488ce4cc313a46268f"
}