Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,575,892",
      "signature": "0x926389865618a074cd3a87798e337b65919277c94659d371ace4c04d57046bc817044ce51048a0c0d73414352a4ff4da",
      "randomness": "0x07eb7897181a53971ed019d569ff5e0806247f44e55a861e903029f81f19e4e4"
    }
  ],
  "blockNumber": "7,414,309"
}

{
  "Sr25519": "0x4abd71d40692e0af9bd0f0c52a2fbdae336da90eddbd8f5a2c054a018e6bd81cb690e6e16258d6ad4a53af17f42078eed96211e02d0d91c727aa6a45c0866488"
}