Write Pulse

{
  "public": {
    "Sr25519": "0x0addb25b0d4e9de244b714f767f5a052ff4c2e94375cd38fb23c319771e29a28"
  },
  "pulses": [
    {
      "round": "25,580,938",
      "signature": "0xb908f163fe47f375b58b77ff3c8c354020b1a4fd385cebae152bd1024cf61a9a610303dcba6ffcfe54086c15beeb77c9",
      "randomness": "0x920fb8264410ef28fa4eaf04a4ca79a280b129999ddd4be22f679aff29ba0ffe"
    }
  ],
  "blockNumber": "7,415,557"
}

{
  "Sr25519": "0xb89e8fbb702fafa739e09ed8cbd03b5b204114f7255347cb9e999a161d6ad2400c79f9d4d3a09c2998da2156575538c72285ff0bf13d0271840ff9043062568e"
}