Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,645,611",
      "signature": "0xb8140cd92b5cfee6cdc7a310fbd3c15987a93afedb4d3576ee9ca01c227f90c0230d62af38739dc3522d9eb6ee9d05de",
      "randomness": "0x9255cf2e968e854f33964c72718bea268471a5795d340acb3954625f37ae2785"
    }
  ],
  "blockNumber": "7,431,707"
}

{
  "Sr25519": "0xfe462d37937dfcde49860ed7bd8f664b2a0b7d97c758f3f3e13d2e605dce8d30ac246838298f1bfb3548505b6cd343482aa4dd132aa1984cfc37f0b2a892088d"
}