Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,565,496",
      "signature": "0xb3b413d24bf019bb051fceb9a488d00706c85c22b0f998339b847f661230f3b185f3a5ccb6d5bde8ace3adb255582102",
      "randomness": "0x98b8bc08415a1918f543abfe3926cd32d089efec8234e58b457008dfd12a8606"
    }
  ],
  "blockNumber": "7,411,709"
}

{
  "Sr25519": "0xeccefab2f6d856e1ed1f039f5c72017b85c3d742b81bc21178c09b28b86d8a003afabb86f5d35a131300a85aaf80dee985303ad162bcd836407f71e9a3e1f283"
}