Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,601,550",
      "signature": "0xb3408b6530932ddab524b6102ece14a47dc390552d874bf96d8767b13af578b3506ed63c978f274c15b3012484c25d90",
      "randomness": "0x7c3b18d40eacdd3d122ba4b7dd1fa7e8d5bcc75b3a10f8cf0b149becf3c0cd04"
    }
  ],
  "blockNumber": "7,420,704"
}

{
  "Sr25519": "0x8473fc2af695a990ae10ad670ab489919801e444e735960c125d3c78238d5749b687c1ec83f84d533384b9b1eb3550b7c6e7ba372942834f4692b8b2d2011f81"
}