Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,644,831",
      "signature": "0xb7cb2099ba7a78716eeef9ee960970e4043821f633fb376ce5f81b7204e70ddcfdcf63b72deeb634bd4cab62725afeb0",
      "randomness": "0x90ddc3bf3845f88c2287e960771dd5e509d4d40269c10e7535e89e494f769309"
    }
  ],
  "blockNumber": "7,431,512"
}

{
  "Sr25519": "0x2ac47ff1e7c51e0b420dd36c5d120e31dc9ce9a5a52d00d51d7fe152c9fc856101bd10074323dd258f13dde386ab74a8cf7c317901b9aebe03e344f40621e080"
}