Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,549,369",
      "signature": "0x875eb2688e4848c338e8c3849055d927deb7a3352ef8f1001428e9d2c7eb867514fa2f1100ac03022dafdb4bea133981",
      "randomness": "0x01ed81d604afb18ebc4032436c33e648088fd1ad3c57e490b87311cbb2ce3900"
    }
  ],
  "blockNumber": "7,407,678"
}

{
  "Sr25519": "0xd469a6aa54342f9934923b0de9345350c9b75523b935721007d2dbd9ca49081be12ada67e545bc53261208114d9f2fd1fa4d14227e6ebb48b847bebf238e1786"
}