Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,640,293",
      "signature": "0x9432946927e2bd4182f6782881b2738751f47de681227e4b62170c1572575e443f6bf392ff7585fb46bfda7f13f10491",
      "randomness": "0x1d7439f5bb7d0d7aa4f1e899149cb41e600fd4bd0edf44a17467359444046e61"
    }
  ],
  "blockNumber": "7,430,385"
}

{
  "Sr25519": "0x06bc0fe1eb080a90cd7a461f746f20607a9d425edd1b782d04c32635d7e6d15e2092dcd5d524aba0f6af1aab79ca48174b74afd8a806d6a540d7ba6aebda7084"
}