Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,550,649",
      "signature": "0x988866e45b2d7bf6b84f00aeddd6807cc0b9eb3a072e6a8df992cf16c600c6ceb6a16f037e41057426b36a35c6a84f6a",
      "randomness": "0xcbeb76c6f0c1465d7a4972601b7bc03386b72730827af9710365a5bdb9c251be"
    }
  ],
  "blockNumber": "7,407,998"
}

{
  "Sr25519": "0xce5ef7ba2f8e2afa0763ddca9529a09eb8043029ba5b046259d13eae6a6bc35e3a1971e2085e462690048c43e3c07b1a08625a48b2d761f507dc897c820d3d87"
}