Write Pulse

{
  "public": {
    "Sr25519": "0xfa823f5b350ce46a9d53f4f7d4365c0b2a20efc82c5c03394195ee166abb0137"
  },
  "pulses": [
    {
      "round": "25,551,686",
      "signature": "0xa7980922f1cea31af19f54df4c566dc45ec23561597285b55d7889d2805197f42fe260ff222bd377b5df9cca686e3678",
      "randomness": "0x9fdeb4fab7469938c1fab2c920c9c47761d33dba690f4397cafdc6fe6461a148"
    }
  ],
  "blockNumber": "7,408,257"
}

{
  "Sr25519": "0xd449af504fec8aad7bd231c8539c0c4a2c57a7406a91dbb5a8657e68b3f7583969f4fc45c6b892ed992b631836c385da822b0adee13a949cb56e0c1fdf63ec80"
}