Write Pulse

{
  "public": {
    "Sr25519": "0xd478d73632aa403c1d145a6446ab7c757b277866647f17e47014fabfe9c24649"
  },
  "pulses": [
    {
      "round": "25,551,489",
      "signature": "0x8310b620b080efe0e7db74756398c07b1892bb2a238b32641dbaba5b5382d79d646f12e50f15f8cd1ce991037b7bcf39",
      "randomness": "0xd0431064c79967f3cd180444eeb7450e221043db8441a00abd01e6a943d958e6"
    }
  ],
  "blockNumber": "7,408,208"
}

{
  "Sr25519": "0x385b0b6cbec5acd6ee5c74fa51bedb627ddd2aa31c2e9fa10a5877f9452b186b06c531768272a2a69c674f0d89231d84b25359b136096018dd262969f9385481"
}