Write Pulse

{
  "public": {
    "Sr25519": "0x5ada7b33a4ed49c65c755d60033de7528010eb5442c02ac5500ed22e567d0b24"
  },
  "pulses": [
    {
      "round": "25,554,259",
      "signature": "0x9012d2cb718159e91f14d52769ea96dadb27c317d411ac09d5770b99c2735e8cb03aae25b31ce8bb9cbf342a0f441d76",
      "randomness": "0x3004ba4dabbdc7d7498787c7d9a889aec56082a40cdfc68e34e04fa57c983d46"
    }
  ],
  "blockNumber": "7,408,900"
}

{
  "Sr25519": "0xfa1c09c4ebd41e264e1e9b97cd22095c65a3b25dc700a136d3b176e73260b553b4d1b3a929d6cbd51647f6aeabdccdc457818fd6e4d3e2e7fd983815483dd286"
}