Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,550,831",
      "signature": "0xa388407eeb004d14d411088e7efc77c971c6be7f86ea30280c77222edb820107ea938197f39efb6cc6c8d10a0a1c8557",
      "randomness": "0x517f73651a4378b6a630367f558283a71d54077e9867cf80a9979aaffe9c646a"
    }
  ],
  "blockNumber": "7,408,043"
}

{
  "Sr25519": "0xee76d47a2e70c786adbd1bddec489144195e4f0da2e2856985161f70e85c29108c0539f5549c09fb24674778bae43bb46c016ca1b030c3c40b5ca639ecb17085"
}