Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,577,870",
      "signature": "0xa5ae6b2175da2bc7bbd042692a262eab11a466f9be7f706d52fd2572b04f37b04abb80763a967913798d4e4d5124b42b",
      "randomness": "0x967f032fdad6ccc532fb779f3647223b889689e817058c5ad8a3b3584471317c"
    }
  ],
  "blockNumber": "7,414,803"
}

{
  "Sr25519": "0xd282c1ac783e15297aa3524029f594729bc2264ab23a968df49f90e4790575402dacba59503172eded670eb984a2ff197a017fca846961dc25b05d3c9bea1188"
}