Write Pulse

{
  "public": {
    "Sr25519": "0x6aa461fadcd999ba411fd32da6f94a684be4f49f317aeb5844eb35914d86460d"
  },
  "pulses": [
    {
      "round": "25,578,148",
      "signature": "0xaf40672963850d1380e449115c94c99ec0948663aa384b3689eefe585190b71c79c2943af53cf1afdce7906bd1641b08",
      "randomness": "0x6bf12a096722bc1516b507f022967611d88857b48946cc1ed51be92f50eacc56"
    }
  ],
  "blockNumber": "7,414,872"
}

{
  "Sr25519": "0xb456a490e4a606d87857e091d22e4f9dea516879394beaa5e5bdd42f46c9cd1a03224bb772cdf54ef070116d51b5ba7be2a9684df27a45400a39207b31139383"
}