Write Pulse

{
  "public": {
    "Sr25519": "0xdafb18cfc59962b92ea75a32675f6c9360b3fbc8de74df96e4223788aa2df10b"
  },
  "pulses": [
    {
      "round": "25,552,629",
      "signature": "0x8c909c4afc9ccb3681950415dec65e4d48d0ea0ee5e6f422ddd18e54ac0d69a5333fbb06054901337293e3040b72fb0b",
      "randomness": "0x42fd604a9fc07017536ea82d6f05d64689d2c26bd1883055e6fa0cd7e0c6cea1"
    }
  ],
  "blockNumber": "7,408,493"
}

{
  "Sr25519": "0xa4cb20d02f1216c1f8cc2eec6ebae667ec022cb4b9c6591c864c923478eeeb7b3d08ed46d62a079dbe3ebbb8c4b33e267efb20012b278fc0e073564f6b8f0887"
}