Write Pulse

{
  "public": {
    "Sr25519": "0xe4cfd1cbf31f6bfac188943a61e8e4d47aad1c362d00cfb56c5c8b83406fd04c"
  },
  "pulses": [
    {
      "round": "25,612,664",
      "signature": "0xa807897aeeb10a6fb8e4292ce358102a68881dd91f06d361d1195fac7cdd459341b1972609c3298f28d55038f9d74770",
      "randomness": "0x4aea514c2a07eb72497bf5370e08efe6d1548609150158984940bf92236b8fb1"
    }
  ],
  "blockNumber": "7,423,481"
}

{
  "Sr25519": "0x604801e55e986538211e47ca8e06a8644aaa6281da57ded70013046b0d1e49367650259d34fb931f6e628b47abec57478deb62e876954bd2042aaad9f07a478d"
}