Write Pulse

{
  "public": {
    "Sr25519": "0x923fc2af16b838de1ba9d3934555a73acbe3aff5a4d4304a1b45787358d61279"
  },
  "pulses": [
    {
      "round": "25,551,600",
      "signature": "0x8f570b8d532e0332b894671d0bf261aa073dfadb80aac3a237902452b16bf4536da12d32eee0342b56fb3566456b2b21",
      "randomness": "0xe3273565aec7117dde03bde6d276f653c60207a54f3690a0c5f48325498366d2"
    }
  ],
  "blockNumber": "7,408,235"
}

{
  "Sr25519": "0xd42188ec974c936fbd58e3b0b6549879dd6b33f3ac01522f705f468d202d9b33f9ea4c1957141e1b98f2db05daf67702c2a849c2f2f7bcc10fd261d8f887278a"
}