Write Pulse

{
  "public": {
    "Sr25519": "0xfa823f5b350ce46a9d53f4f7d4365c0b2a20efc82c5c03394195ee166abb0137"
  },
  "pulses": [
    {
      "round": "25,569,285",
      "signature": "0xa0c67b10a1cc216574e2456a88dd3c205559573d16910f2f21aebe9deeb2dba0ae3089262c57c6c6c18bc944218e9c5c",
      "randomness": "0x1c902e61187cf05b77f4a0f458eb3e1328251c06dc30f896fc4458409699cecb"
    }
  ],
  "blockNumber": "7,412,657"
}

{
  "Sr25519": "0x50bfee22c3b2541906b389693a408eb87895ac11a8f573d93eed9b5d5fa9745a37b632312a7b825e9ed1fa337d0e20ab515f2f081eb9026511b02029ef5ed686"
}