Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,656,810",
      "signature": "0xb171b2cc4ab73a551398778830c0ad1028c23fdee75193d0ca5fb28b545f26b5de24b4c81e5efe2a892fc9008ffad7b7",
      "randomness": "0xb8c49398afcbf768802e7f34a643182026c8437083184520dde0a6d8bce54d7e"
    }
  ],
  "blockNumber": "7,434,507"
}

{
  "Sr25519": "0x4e4083e94451400f4a0b8dfce27f56261558dddf0043266cf578a4c1d1bb742fcfcd4435c89826bdb457368d848f2063d532ca9961bb3a94206f10ac03783185"
}