Write Pulse

{
  "public": {
    "Sr25519": "0xb2d7ce3e75c398ab506ddf8953e06bdd58c6a17412037afb8764efae7e94c04b"
  },
  "pulses": [
    {
      "round": "25,551,503",
      "signature": "0x88c81260b3739aa9d12d01e6ff6e85edb450ecacec7fbd0c59f47d0ba99a2703bf62d896cdc37f4042f4e77438fc116b",
      "randomness": "0x1486511ddf0e6371a79339a5e37b104ff0b5ce25849dcb8c6ac60b87350533d1"
    }
  ],
  "blockNumber": "7,408,211"
}

{
  "Sr25519": "0x7e8965d18d604a3b050147202fce2942415bdb109a961ebd87ce9afc181540089f66610116705721d813f025ec3b72b4005f4e323dd01fefc1a74d21a9b6b785"
}