Write Pulse

{
  "public": {
    "Sr25519": "0xd478d73632aa403c1d145a6446ab7c757b277866647f17e47014fabfe9c24649"
  },
  "pulses": [
    {
      "round": "25,662,528",
      "signature": "0xaa7b6ac8adeb0ccb577cc4203fff5328c86938c3003f9ea16a13a9415e67673875b2c64795c3178ad51b8ee315929945",
      "randomness": "0x777dfd87278e8747ed8be4166489486f0a05713e84c57bb17d16ef34739c5d24"
    }
  ],
  "blockNumber": "7,435,931"
}

{
  "Sr25519": "0xbecc005e632000409f9ec5f56f7c8e848b0f30c668a1d6deb04ab3a781125c4b46e57834c680ecccba1c4040b38e8d3b68fb22e80f3442613cb5c344acb2578c"
}