Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,544,572",
      "signature": "0xb4b90dc776a4bc5bb7fd98985b205c259c3d3f303cf6ee7f929e4402f85b9728f1cc938f17961ffea1859fca28ada96f",
      "randomness": "0xa8288c38a92eac60518af25edd446959747ef2364598e8ff9c621041471e173a"
    }
  ],
  "blockNumber": "7,406,478"
}

{
  "Sr25519": "0x6a379d4c5ef3687e1b40850c969944ff06f8f038aa0b7c0a89efff860a007625f4618d057621e588fbed3747d6a2b7fb50e2422c5fe474aa9c3e4a2f63ec3b83"
}