Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,549,451",
      "signature": "0xa150399f9aee6b3fc7338e939dd72b9d8c8f90ccefcf7c928f97be8762d296542c25b356078a10af25f730f754560e55",
      "randomness": "0x882f5521138ba35c3a6518ca69e154fb6cc3e095ea46eba02d71f8ab033bc104"
    }
  ],
  "blockNumber": "7,407,698"
}

{
  "Sr25519": "0x442166f78487159b86f03c8965e1661c7b74f21d851e274ec77995be2148f36f521fd70ca5430770c1f1ae1e310d69683a890ffef7ba729844d00ecf9eabe88b"
}