Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,559,253",
      "signature": "0xacf01477b189923af4308b47a20ffdee0ff51a703246203f77512bdb3161747040073f1e74d1854ac71ac5c56f160d6f",
      "randomness": "0xc915378ee174816e2ebbdc823824151005e715ecebc90eaa8416eabef3c48ccc"
    }
  ],
  "blockNumber": "7,410,149"
}

{
  "Sr25519": "0xb2aaadffb4723ced5b809ec3b059ffaba12add6f237b23c3b39c1bb3b44d6669cb71339e96677d27ccbee41f0cdbf737ae8cd0aeac6501b60b256b9eac743686"
}