Write Pulse

{
  "public": {
    "Sr25519": "0x5ada7b33a4ed49c65c755d60033de7528010eb5442c02ac5500ed22e567d0b24"
  },
  "pulses": [
    {
      "round": "25,678,340",
      "signature": "0x8569e25f211821b106b0d04f5a11a8146b94e4e5dfcd756588ececff8de56b3cb4c2270f54996cb8803c28a32e8ecdc9",
      "randomness": "0xe6b899fdd0edf7757bc49a0bbbcf27492858f0855469bed18f8552428737dba0"
    }
  ],
  "blockNumber": "7,439,876"
}

{
  "Sr25519": "0x749c77147fd30971b48ebdd19c553d5321606c281d89781ab185d7d586d79b0e0ce29120e70f5db4c6be8a0afeaf47af8941d8204dd95035f042f232e3915889"
}