Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,551,130",
      "signature": "0x8aecc5431fdaae716efbf4fa583f9bd9b613ef7fb1ccb4ea83f5b53fcbea5d973042134e815e9980a185a80b63acacff",
      "randomness": "0xa330c2f207d8288d9fbe18a11e1ad179b62e76a64b1841cf66013fdb5fd4d046"
    }
  ],
  "blockNumber": "7,408,118"
}

{
  "Sr25519": "0x0a656f42b6cc2e699be319b92cbde32775b4f3b9036f0ebfafa3e3c07e87d64cd3cf97cdeedb72e6823091f1dc98087a1a9a5b0626ecc33128514885945f6687"
}