Write Pulse

{
  "public": {
    "Sr25519": "0xfa823f5b350ce46a9d53f4f7d4365c0b2a20efc82c5c03394195ee166abb0137"
  },
  "pulses": [
    {
      "round": "25,577,287",
      "signature": "0x8bbb25c2bd9bf399f09e0414cf0f523597ba57b5cb72dee4ff3f2381f79cfa4b43be1e148bf7a96ca77deb64d973a685",
      "randomness": "0x09e349563dd4a9532d0262ce02f46f9d0c69dd9f85211b97f020c5c31c80e22d"
    }
  ],
  "blockNumber": "7,414,657"
}

{
  "Sr25519": "0x8018a266ca0c282fb4b3defa5b0fab853c30ffb9a2db6067877f741020f6353a44033d11063d0d3e535aa972b72ccc265d2e69b5b3b8ab73d597b62dcd556d8f"
}