Write Pulse

{
  "public": {
    "Sr25519": "0xe4cfd1cbf31f6bfac188943a61e8e4d47aad1c362d00cfb56c5c8b83406fd04c"
  },
  "pulses": [
    {
      "round": "25,552,823",
      "signature": "0xb01f762ccbdd5d913de6fb37f9509f1ec5510c4afb1d613e1d87515694f9dc15c14adc4afa64caee15893a1f2f50c18f",
      "randomness": "0xc77f2e619bb086973e5fb3091893074a7f714a49f640999dbd6fd533f518b1e3"
    }
  ],
  "blockNumber": "7,408,541"
}

{
  "Sr25519": "0xc866feb2d5dae7928dc892c4be03e6afbdc9d0e2652c4923932d9d89e90f527a0c468d19efba4e1540982404da8e736c6761bfadd443790c4f22bebfd3a96586"
}