Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,549,472",
      "signature": "0xac9af1ef7d4b123c8fa8f093e41d1cf25ed3f65de029ebc88d0b6871d4b025e1c7aa59ac1cdbcbe6c4bfc0223b66c93e",
      "randomness": "0xd08d4a2c33184dd3b33ea7c6124280db21de5953ab1d31a5e9e903d246f51200"
    }
  ],
  "blockNumber": "7,407,703"
}

{
  "Sr25519": "0xecd49481dbdb862c9a43d0c3983178e813264d8e894b70004250e987c650de3eba576a5ca122ab954f6c0442decb21b3101fa423afd4b7cfa3de8d4e2be14380"
}