Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,549,209",
      "signature": "0xaa12b076fc6ca907766511ab32bc07282e0afeb25af0d5aed19cae57447eeefcd70fdec0a4fa0eb57eaf6df131789767",
      "randomness": "0xf2e3589a2e602239af94d51833c9cd5d9cda4f00a32c7e190b8d7f5b4bbc0c5d"
    }
  ],
  "blockNumber": "7,407,638"
}

{
  "Sr25519": "0x6e6b38eabf54b9cabb3f5a76c6c474f04dd6890c38abf6c2932d2eda8d7c7b51f86b4bc1dd481c5abf82bb53146f07af6577f1ab5ecbe0969e6036b889201689"
}