Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,565,868",
      "signature": "0xab7020c53c416dacd7a68229c99acbc38a83954ea66f7689e11687f887a5fc8630e58b8d99fc5a9682666535d6c2c614",
      "randomness": "0x602e1f90d340d33f747c3eb289b652f7ba86b559832777cfa62cf28a0cbcc5a7"
    }
  ],
  "blockNumber": "7,411,803"
}

{
  "Sr25519": "0x6a0361e669817bf9e08872a0ead967d06c59f71787ebf3c793aa4133d31f2e00aafb308aaa8e72aedee52c1b817cfc7641cdd749385e554f0576b6dab932b489"
}