Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,548,933",
      "signature": "0x98b946a01b945cbb05822cb961f4d792d59ea928595a92f67f2fcbdcaf7b5d62b424e7e34fff1120b48e9e6abf58b0fa",
      "randomness": "0x2af0165551f43bff165295700516bbc56560e3a8c0b20e165758b0c3565f4d95"
    }
  ],
  "blockNumber": "7,407,569"
}

{
  "Sr25519": "0x3054317a496e3b29edf6c9a84f8f342d550765624dd8bab064d08647a9165073b3c56ee99335fead6667998bf625cb411d96d7a37e69bab26e60c14546be8086"
}