Write Pulse

{
  "public": {
    "Sr25519": "0xd60d31b79daf28dde168bbf981526a123c7c689fe26fc00d924907403ed40023"
  },
  "pulses": [
    {
      "round": "25,555,875",
      "signature": "0x977a3f0daefcbdcd071b54582244f65a0c2a4ace70fb95179b1998d38f3400f225eb91416b29ae6fd3793569ff9a0d4c",
      "randomness": "0xf4809c3c16a55aff4e274805a07522f067171b46cf568cac5a11d5a612ccdc02"
    }
  ],
  "blockNumber": "7,409,304"
}

{
  "Sr25519": "0x1aaf769dfdf0cfc00bf2d2dde0c2ec84dd288a39c32bde9a4616a5c31d2d2f09d14027da40918f3428472f2b3ba8e5cd846ccd6d200f6f39b287bbde1337308d"
}