Write Pulse

{
  "public": {
    "Sr25519": "0xfafc4334cf90d3c9fb3c18c2a6636658e7fa1183917132c9ef93fd1efad19361"
  },
  "pulses": [
    {
      "round": "25,550,961",
      "signature": "0x8872f639a8ea6ab2a6b291e0fd31b4fd92ed9f51eeea8f09fe039b63495938799264de3e1d884a46dd43b084322e845e",
      "randomness": "0x15463953a7541f347cf2d8e0d6f4e706889f29e16852e86e60d18319f9553ebb"
    }
  ],
  "blockNumber": "7,408,076"
}

{
  "Sr25519": "0xb626a7b7c08814f08596c6e1013de6e8c03b163ef7079117ec33a4f1651f923848385cb157d924f3b1cfd369714d62a62b56e1de921dd7b5ac28439ece85d881"
}