Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,554,890",
      "signature": "0x8a9b0695b657b6549a9e6d341607a3733db3059db55cc48c7212bc7d905c2a4362f9c29ce6c12922ae31321ea040f999",
      "randomness": "0x3ed1ddd5ae53a1aedfd07e6e74eb00a44b592c93c45632bee493ab68f08a0fe8"
    }
  ],
  "blockNumber": "7,409,058"
}

{
  "Sr25519": "0xf6e785f79e2957aaab10065fd530a05ac392c0cad2b6b3f345e1931b8ece9902dd9436c42fc0754c2333773ca9f27ac2b4213c036f472ec0447cc915036f1c87"
}