Write Pulse

{
  "public": {
    "Sr25519": "0xfafc4334cf90d3c9fb3c18c2a6636658e7fa1183917132c9ef93fd1efad19361"
  },
  "pulses": [
    {
      "round": "25,550,003",
      "signature": "0xa58c661d35db5fd4c6042808260dfb07d7be7374f83933d5faa540de02cbd8f472ea8bd13f477794f618acc8f087197e",
      "randomness": "0x2f69b03e611a568859d5172f633bb1a0fe53d999001403f01a765793caf257c4"
    }
  ],
  "blockNumber": "7,407,836"
}

{
  "Sr25519": "0xa4e50e0d9f9fcc86b5078af5df9243c34f45e0a50391c3ab67fd6019ac22683660c614e7a653839007193c7c505e15157727e3f41087d8a1df11d22065bc378e"
}