Write Pulse

{
  "public": {
    "Sr25519": "0xb2d7ce3e75c398ab506ddf8953e06bdd58c6a17412037afb8764efae7e94c04b"
  },
  "pulses": [
    {
      "round": "25,538,942",
      "signature": "0x87fb14fcb67367937e3ece17c952f2e180100661f30a5941f1aa313435f96f729e6f8ee0117952f8707485c1789fbc8e",
      "randomness": "0xabf99aed29178c35b65fe00b73c912f5b0319f82047ed9fe12a0036bbbadebce"
    }
  ],
  "blockNumber": "7,405,071"
}

{
  "Sr25519": "0x8680d4f88f12e504d9d36f6c22ecc94e8569ccf80ba2445b63f20d957aa70041181163caaaf8383cba109699aab1107d559d82929ab64f6f26706865890ff984"
}