Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,552,331",
      "signature": "0xaa17bb2ca702c87ae01e4624eda884d0e368d9fd27ae68914c03fa3e3a22012f795aa1807a520be9b405731ef8cf828e",
      "randomness": "0xf67476fd5d2a81195874e853b7aba6839c68e9572cac7c9112e179df383838c2"
    }
  ],
  "blockNumber": "7,408,418"
}

{
  "Sr25519": "0xa68cdc774f8fde21755f87ff8b9b87be7532b2916a5a2b58669efb3babd1a33d73db8c46845caae2cec43d6a943d0d9c1eb4b71f434f54118acd779994355689"
}