Write Pulse

{
  "public": {
    "Sr25519": "0xdafb18cfc59962b92ea75a32675f6c9360b3fbc8de74df96e4223788aa2df10b"
  },
  "pulses": [
    {
      "round": "25,565,912",
      "signature": "0x86928e82ac828a0b3843ebcc64a5defd7b4e26c9de98514e1a802b4a835c30a4d88a28404f045fb87613167a04069115",
      "randomness": "0x2f173a7beb807f7ff846d2d618b5692a639493f14119de34b82437b50e8052f9"
    }
  ],
  "blockNumber": "7,411,813"
}

{
  "Sr25519": "0x66ea04b1872f219db8abe6974aaa741866e0aa7e2ab4fe767bf02be6366d266a40646c0adbbbe4734f8b5ff4fdb9cbd4022b181a0d4c36c8ef2c645705c63d83"
}