Write Pulse

{
  "public": {
    "Sr25519": "0x2a95700579638573152cf41d600ee9962d8c1ee400eb671d9306a8987c1d564c"
  },
  "pulses": [
    {
      "round": "25,559,645",
      "signature": "0x87ba57f2b2ca676028885360bbe6afca37fbab72a6643fd8753010bfffb513d52a77f09496588e5d7b8a53f5070f0117",
      "randomness": "0x673e1dd5e9859f99e6784117c3c753b5b4005c228525683d489102ecc6fb6698"
    }
  ],
  "blockNumber": "7,410,247"
}

{
  "Sr25519": "0x90d19c8e8469628d8ef8eb06de848b04a54af6b261bdc1f69511c2dc5d28dd5f7c7f0fbb0dc5d34b6adf9e0d85a8904ae9e86bca507323e4233caea6000d968d"
}