Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,552,454",
      "signature": "0x935c7cad1f0eb8fa51b0ef0c37063e3274265eb0862f0b26edad7c44c1ee835d0ac5be592c53f6457b634b30790dca44",
      "randomness": "0x806f9530c67228b54db8181d80cbae94880251a2063227fcdaeaa1a0987ff54c"
    }
  ],
  "blockNumber": "7,408,449"
}

{
  "Sr25519": "0x2027f246f99b1baf20c3093615633639863d7959cc7867453a6bbc9b3eee091d988c3bbb150bf3c61245d2e5b237326cd0b45e5140a47c55952e15ff2ada7586"
}