Write Pulse

{
  "public": {
    "Sr25519": "0x0addb25b0d4e9de244b714f767f5a052ff4c2e94375cd38fb23c319771e29a28"
  },
  "pulses": [
    {
      "round": "25,566,858",
      "signature": "0xa8c9575455dcafef55e9fff421da25dcdd5f0a005662a5cac05bccf36682c6a2ba9e1fc68b4602113cf743b352d93464",
      "randomness": "0x163515a59f72af1b7fec9907518861252527cb094c43f0adb3fad41f51cc2596"
    }
  ],
  "blockNumber": "7,412,050"
}

{
  "Sr25519": "0xca54b7d4f32b19b065c8f17a043c1cf26e103a1b7248e5d2345142e0c25dd47952b68f04b3c81b6b01ae68492327ecb816be01eb8e8bd299715a9b9996c5d081"
}