Write Pulse

{
  "public": {
    "Sr25519": "0xe2531ddf45f17813171106e8f31da6397fd8c270dd7ce268d67ae6fa4ec0fb0b"
  },
  "pulses": [
    {
      "round": "25,548,348",
      "signature": "0x974c09581a7d53a9146edc92f6cd3d536419049ea292fc07d4f360e86d3e524566759b92f412f0868cde031c3335f707",
      "randomness": "0xab74d057c67a0747bead0f87c976b42fc9d4ab207370edd0d950c7729d09940b"
    }
  ],
  "blockNumber": "7,407,422"
}

{
  "Sr25519": "0x307d9ba45c5e0a4badccb1e378c8ff060378eebf9f5a167a54d7d3474929f75c0a249b48070e2dcff449647b5b292a88e8fa864418f732404d96282ed3468c8a"
}