Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,657,813",
      "signature": "0xb0c359db44eceaf6a7931ca570f4b1360163eb4958ca943969a97b0afa7897ed06b05721b927160c587987d615131e09",
      "randomness": "0x44a4ccf9f701614e17844639c4a04c09fcd76f91058b8902db61c6802d9216fb"
    }
  ],
  "blockNumber": "7,434,758"
}

{
  "Sr25519": "0x98025f4f7ddc43dae6bf83a895ddd8109b5c51ba0df51fec316bd258e1289f5991e41295e8129fbfb5aa916cf86b0fa97e040e4d8f1239f3895875d2ca3b3680"
}