Write Pulse

{
  "public": {
    "Sr25519": "0xe4cfd1cbf31f6bfac188943a61e8e4d47aad1c362d00cfb56c5c8b83406fd04c"
  },
  "pulses": [
    {
      "round": "25,537,544",
      "signature": "0x898478c659f3fd117fb48a81872ce4170cd5872b63604cb6e14305122ddfd5d34adf62491fde1b712dc5d69e0f3534b3",
      "randomness": "0xb63c9102418860e379b1d29b37407990cabfd3e5b382010a651a533064834b22"
    }
  ],
  "blockNumber": "7,404,721"
}

{
  "Sr25519": "0x0287038d5fc7f3c92d60d45ebaeefe313c9b4a370e54f962ce4448665d341c42f3104677bfd04910580ed717a01373672958a2634ec6ec46ca755d9b545ed289"
}