Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,578,136",
      "signature": "0xb20c8812115c435cea1076f2967bd5612e10770c2843d125d3c89f26f43c476c9b60cef8523af64a2b1288e6d08d3b34",
      "randomness": "0x70b277952b0d6b622b62446010f4691e006ada0d00830cb833e040b93696c972"
    }
  ],
  "blockNumber": "7,414,869"
}

{
  "Sr25519": "0x36bfedeeeed9862b4cc7805d72abdaa4ca9b38beb0e759136c01ff9bbfe7b329728850cf158ef8e81e8d62d808077cd6df8c00ca602eef1773259ba6246e718f"
}