Write Pulse

{
  "public": {
    "Sr25519": "0xb43f0fa5b22946e5227577fff32be5f066404dfae24b9a00ace9c51145c22a3b"
  },
  "pulses": [
    {
      "round": "25,549,215",
      "signature": "0xb652cc46a5734f9846c5278889ac92fd8428809291182c194f7fe8b4699a70de51ac62c1fbcddcc6f47a172bfacd5398",
      "randomness": "0xb31108065a95ee29448ca972e039d0506192f6f0453f4f0d40a740516bb310ca"
    }
  ],
  "blockNumber": "7,407,639"
}

{
  "Sr25519": "0x427f66d605eb93cfee89460a52082da519410c23f89048978d5c26eb445d48256d1b65c5860d9d039dd0f937e2b4b3d0f7e18bfdec4c45bda5d0b8cd4845a183"
}