Write Pulse

{
  "public": {
    "Sr25519": "0x923fc2af16b838de1ba9d3934555a73acbe3aff5a4d4304a1b45787358d61279"
  },
  "pulses": [
    {
      "round": "25,554,878",
      "signature": "0x921f4ee278050f274c0277b6a302e6f81998cc4100fc465db367b06c4c38dba9a4691a47124e756c600ab67b941072bc",
      "randomness": "0xf4d822e993e3d5b0eb880598b646348e3eff1985ebdc120a1fe722698204a561"
    }
  ],
  "blockNumber": "7,409,055"
}

{
  "Sr25519": "0x4ee87e8e38db86eb9e19f3a91504beb47d32485284f9600d80994a86ebfbd11a46cfc95bbc00aeefb387ae601f631a9a3afd4510ee872725125ef45d22936482"
}