Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,571,211",
      "signature": "0xb41eb53e0eb497d473140435bdc5b0acd9d0d4b5dc139d802f9782a787824ce217898ad69f0b04b128debb821a31214a",
      "randomness": "0x189b2de39b11cbdfe894c537991fee348466c85d655fd5f39188b43a45387439"
    }
  ],
  "blockNumber": "7,413,138"
}

{
  "Sr25519": "0x78c7b521debf7d9eb074d6d1e37f53df155ce2dca50276256ffe915437a9ae5673239aa07997d78592e0df402180354eb207cd5ebd43f1adc99ab6ba116aa786"
}