Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,581,451",
      "signature": "0xa7bbcccb70b7bc4323b478aac40d3eb37cd0c96842793b35568e3dc8001635d36add2fbe48b09942ea36a8bc1d33c0b9",
      "randomness": "0x2e69dd0c065d739b469fcdd51611b2799946f6b1347583affb67e7f32c036797"
    }
  ],
  "blockNumber": "7,415,685"
}

{
  "Sr25519": "0xa25e8f05f335c878a5e2873bd557e7b7c1043e2ab2d3e75bc407900625feb1486d2c18466ce00ba2d9eeb72f7379900d6e86a50820381b4c918f036bbc1ec58a"
}