Write Pulse

{
  "public": {
    "Sr25519": "0xd478d73632aa403c1d145a6446ab7c757b277866647f17e47014fabfe9c24649"
  },
  "pulses": [
    {
      "round": "25,570,209",
      "signature": "0xb7dfffbfccc3cbf5cbcb4e5f2c738c24a1b9124c219c13dd92117a9ad5dfb92ef39ebe0ba8dd40d0d4d24deac158cf37",
      "randomness": "0x81b3f70b12981dc961734d9c6df3d2e2c2b4b9222b4b526d396988cf5b415c09"
    }
  ],
  "blockNumber": "7,412,888"
}

{
  "Sr25519": "0xe4561faf77cfc5a185551b33f07bd5f6a1a64956df9b7033d173685a1b17c6564e02663c7d18fcebee17600bb7b4eeeb715ad4d4fed1516a95f26034ddbdda89"
}