Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,579,734",
      "signature": "0x86bbbbc137d600abde06c854b4f55b418b5d570268abe23e9581156188dd4322b66124fc4e3e7092bdb80baa090c328b",
      "randomness": "0x08b409d11be47ad174afefc7017d246fac629222e6a37e5902eed242f98164da"
    }
  ],
  "blockNumber": "7,415,256"
}

{
  "Sr25519": "0xd4845254b13c23f511743a9c8361327e237771da79c22d66b4f66d0566caed586fec304472851cad7ff6b696bd9a5d299fb664606d3238240aa3b324ad12ee8e"
}