Write Pulse

{
  "public": {
    "Sr25519": "0xfa823f5b350ce46a9d53f4f7d4365c0b2a20efc82c5c03394195ee166abb0137"
  },
  "pulses": [
    {
      "round": "25,605,207",
      "signature": "0x8a3ab13e82830ed7086f1933c8542d69d349564cb2e0e88f020f62af34c77e6c4292d97b70102e32b4bcaf99051c555e",
      "randomness": "0x762b36286a95eca527aa51b03466878d951c34d793ee9975ad763d53712f63d7"
    }
  ],
  "blockNumber": "7,421,618"
}

{
  "Sr25519": "0x7478fcb558067e045f4fa1409f220b8d0eb9ada41de5aeae5bbb4fce1f22802047170c94f21e029630d72994bb0311a22713b7fb14903c1df66916a3de25fb88"
}