Write Pulse

{
  "public": {
    "Sr25519": "0xfafc4334cf90d3c9fb3c18c2a6636658e7fa1183917132c9ef93fd1efad19361"
  },
  "pulses": [
    {
      "round": "25,550,084",
      "signature": "0x931260ed89501c73f001ee3d540cdf0998eab82a393bdb5638e66f4c957b8b6fbe583a92bf252173563d8b245f32c434",
      "randomness": "0xac0feb3459da88afb9d037e72651aee36fc339742049cd84e5a71f497595c488"
    }
  ],
  "blockNumber": "7,407,856"
}

{
  "Sr25519": "0x08e50f7c86b43b299c7e65428343d4de77a719e6e8cfb16a603f8caa749ff17c35b6adab781a81c4f65b0d0a06fc493d37176a03e24de2889f1199a85cf6c883"
}