Write Pulse

{
  "public": {
    "Sr25519": "0x0addb25b0d4e9de244b714f767f5a052ff4c2e94375cd38fb23c319771e29a28"
  },
  "pulses": [
    {
      "round": "25,557,980",
      "signature": "0x8ec165ef5fbd1810ad2c999474062be460b0279632ea1cc11841c871b0d3cd2bfd51d62d94f1f7d1d91d7b11912fe169",
      "randomness": "0x12edf2a35445538f757c4f01933b6140471c4e44d184ff5d51ded8460b60f8b0"
    }
  ],
  "blockNumber": "7,409,830"
}

{
  "Sr25519": "0x78bce7a364569d52517eebd850ba1b94af5bd45edad9e918bd375dc21233037eef3c85e45ca458efce4409f60596c093ab919f5a389cc74afccad9b60a990f87"
}