Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,638,909",
      "signature": "0x85f3198e3b32821d86a224379a2cd9fef4c17943ef1a28fde9539a0caecda72bee04d0b80ec5c959d005c581abd9ecff",
      "randomness": "0xf436480e1e8c949a23335e19e9830e4e843e0c90b67751a68888cbffff7f7624"
    }
  ],
  "blockNumber": "7,430,042"
}

{
  "Sr25519": "0x0e5c302e7d65dec646c21b33a7e84d4c8292b6c373590dfe04ca2014696635088aa26713f4849816351ffedebeb23094bb5116151ef6621cece0c74a8d048a85"
}