Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,622,972",
      "signature": "0x96f01f687dbe3458f89b954288851fd66371331bc2a782a60e43d98731450b03215cf8bc590b1859822b3ce747152175",
      "randomness": "0xb49366e5a7912093e692b7dd8b2ed288ac597bb99f6b61c69a02976bc4b6a1c6"
    }
  ],
  "blockNumber": "7,426,057"
}

{
  "Sr25519": "0xae111763e15d4b742d40a98170d02c390d05ac23154586606ffa294622c5ba340eaf0c29d1c212af26d3a70bc37c57a0219c297ea9455dd54b8c39e53b0feb87"
}