Write Pulse

{
  "public": {
    "Sr25519": "0xfa823f5b350ce46a9d53f4f7d4365c0b2a20efc82c5c03394195ee166abb0137"
  },
  "pulses": [
    {
      "round": "25,548,006",
      "signature": "0x9054ba6e720f2d765ef8151bcd8f7165529f12f67220aa2093cc5301471bf96b9edd6c63bb8d00d7b8a1842777a56e6a",
      "randomness": "0xd03dd44b432803d2f8706511b6084b09302e5cd3651ead19f11e19ecbe2c4b3e"
    }
  ],
  "blockNumber": "7,407,337"
}

{
  "Sr25519": "0xb419c4d8aa4b76d3b945ed084b0fcc14344887697d143fa7be4424ce3170d664c22628ed1f88f1ba5575266b4d7153f3264d2c076a077055a0cf6847f2d75486"
}