Write Pulse

{
  "public": {
    "Sr25519": "0xe4cfd1cbf31f6bfac188943a61e8e4d47aad1c362d00cfb56c5c8b83406fd04c"
  },
  "pulses": [
    {
      "round": "25,570,183",
      "signature": "0x92d0ca74f9e4608b6da3b527ad28a02beab52979e14f19bf6901ad456e119faacab4300da5f60dbe0eec479dff29df9e",
      "randomness": "0xea395b1109ba1b03cafef782d233e2eed1c825f388c67217757e01e1939d9d53"
    }
  ],
  "blockNumber": "7,412,881"
}

{
  "Sr25519": "0x78b4486969c2a59c92623b1d164381255ee62c9105433fb810587f78370c9b7efdedb4dd9dd2cd7f24f89cbd8370648976f5e7d75bc0dfdb8659c0415e4afc86"
}