Write Pulse

{
  "public": {
    "Sr25519": "0xfa823f5b350ce46a9d53f4f7d4365c0b2a20efc82c5c03394195ee166abb0137"
  },
  "pulses": [
    {
      "round": "25,578,168",
      "signature": "0xb77749ca974494e319f6a96ed4ab3ce687a479d0370fb62ddd19668b93ab7134b041ddda4427221bf37d7430cb604c6e",
      "randomness": "0x0bd1f66001313152997ae7ab6869f5389793527bca89b406ec4478a242a94fef"
    }
  ],
  "blockNumber": "7,414,877"
}

{
  "Sr25519": "0x0624f1c5ce07d5aab37280d2caa28d107f282c9f837046054a5d4526cda82239420b3602dccb3e84b16fcd56972da8bedce62df2e2fb862b95b2f4c177617e83"
}