Write Pulse

{
  "public": {
    "Sr25519": "0xe2531ddf45f17813171106e8f31da6397fd8c270dd7ce268d67ae6fa4ec0fb0b"
  },
  "pulses": [
    {
      "round": "25,557,547",
      "signature": "0xa77d6cda2df4ee111c7d86d5b12844e5b3383e626f33dc5f53e9a17122646294b99dc0e746863ed5738fcc1be566293f",
      "randomness": "0xcfdcc1410a3533dfe3f2d2ee3d36af1ecec29ed24c4531e0c0e7dfbfb846df33"
    }
  ],
  "blockNumber": "7,409,722"
}

{
  "Sr25519": "0x620298f1c48d12f79bad9b818f216d9f7e28c07d6512331626500ad0e0400200b6cdb0bcf44ab2abccb4dfc251f60311020dba8cf785e58665afcfa3d9f3db89"
}