Write Pulse

{
  "public": {
    "Sr25519": "0xc410da2eb5c6384db3dfe5239e144da4f63ceaa585bcb7bea113cd12c9515850"
  },
  "pulses": [
    {
      "round": "25,615,641",
      "signature": "0xb272841d410e16de72187a926ef27062d3e61a201cec8b0cc4552d2e6663215a961904b5aa794fd7334d9507d14b01d8",
      "randomness": "0x7388a7239af28276a17d0cd524824ce04f7c39df9c09300050ff7cab4f484f15"
    }
  ],
  "blockNumber": "7,424,226"
}

{
  "Sr25519": "0xccda86ac7144d67c1a0ec0d265fe0055f4012d11f93d168dcad05a8f7107270d86b7c55a0697c82948d48d37f33182e55c09bd8e2fa96c93c65b317a5632a08b"
}