Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,608,533",
      "signature": "0x805b83fc0edf6f35183c4fc11b906c9ac65b90caabae3dfd35b254c1927b576acac98feed48eba05a1c1746f84b0b2c7",
      "randomness": "0xbf79286b78b4039de53e15b55dd825549fb58fbd61ccec8f8588582dca870b9e"
    }
  ],
  "blockNumber": "7,422,450"
}

{
  "Sr25519": "0xbe7a59938b5e7ebbfd37446f3808afc69dc897210056c67703a6d4542401d408ee2294b937b8e0a82432cdbfb673342c244ae13bd7c0d5ebbe764f0aa88f3e87"
}