Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,547,050",
      "signature": "0x99430442ee5098c2c0b7c28212c78b32f6b96116524a2d10d163d3eab0d37eb2e9d76e7181be34f439b27d3d1290f078",
      "randomness": "0xb872956f1da1c61a2060f367a4582c76f72110993415999235bc713fa9dd6300"
    }
  ],
  "blockNumber": "7,407,098"
}

{
  "Sr25519": "0x8e3e1745b132ae807208ff8c4bceb494f1ab8e57ce07a50e40e8b50e71a85378d625c5458a5ea0c56425c5ec645a665ada280e219e9aaf5e7fcb8f5c16870387"
}