Write Pulse

{
  "public": {
    "Sr25519": "0xdafb18cfc59962b92ea75a32675f6c9360b3fbc8de74df96e4223788aa2df10b"
  },
  "pulses": [
    {
      "round": "25,604,309",
      "signature": "0x9466c56a46a3427e24557a2885b090572e77358c14504565d4d71357ee83edecb5ac2c9b74473f8e53f824f49d82bbfb",
      "randomness": "0xe1cddec139c0660eb587f6af18dbbfc5165f04076c245be89b3787b34466ddd2"
    }
  ],
  "blockNumber": "7,421,394"
}

{
  "Sr25519": "0xf0a3961fa9b7354b50f3a241cf500cf29940452b0674efc32ef02c81229373428e7a0da36cbe53cd463f9c22cdf55d645f9ca16d402dee98d86dcc8799bb1286"
}