Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,539,574",
      "signature": "0x87883856643286316619f9739774602f176bcb429e99ffb48b24347b6e685515117a4259c9da00f305f1834fc2ca4d5e",
      "randomness": "0x4d1057bc569a86fe9e22ca5ad53a8f8b225d14acc3773e925c6896f1baf6ad46"
    }
  ],
  "blockNumber": "7,405,229"
}

{
  "Sr25519": "0xf433c08c62e6694eff32a71fec55c66af821e091de42d6d03b22d3c761fe934e24f9c58a7712a33703d0138f1b792ce8c4e32715bcd88119f27694bfef6e278e"
}