Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,578,492",
      "signature": "0xb148ee3af2c179213cb2f8e4a2665f81800db7b923a0256ee0554c0b54046137f24ae7b6eae32440f9c686023c3eac92",
      "randomness": "0xa5e17e8c58211226b41082aee391bca9fc1ed40b7a2c2728aea6451b276d3876"
    }
  ],
  "blockNumber": "7,414,958"
}

{
  "Sr25519": "0x8a040f5498b4b55f89215425e361b2dc8a1c7f53c80c33fdb9662b0311f091588003dadd51af54d8e25fd8bca3b0dd329c209f210d1b132dc926934f00baa688"
}