Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,571,691",
      "signature": "0x975b3ec493b839c3d677adf11814cacdc22106d9100c2f708f688ffa2f078f27d609e88119f11f88e903bb7deedcafe6",
      "randomness": "0x618351214609e05f730c53b34edb42f8ecd8eb881e39b506ad238ec8d2de9f6e"
    }
  ],
  "blockNumber": "7,413,258"
}

{
  "Sr25519": "0xecf9a5fd41dacc8b9dcaf6d318560d80704a9974c9f982094df89aacf1b8de4a9e91131da468feeba8de7b173623b3c4960f5fc511f5ec265ae746c32a73aa88"
}