Write Pulse

{
  "public": {
    "Sr25519": "0x0addb25b0d4e9de244b714f767f5a052ff4c2e94375cd38fb23c319771e29a28"
  },
  "pulses": [
    {
      "round": "25,554,537",
      "signature": "0x84278a54d15444501c1e35558ca2861b146924bf2b7c4accbfcf066206040e8165d7546f90f834f6af075c72976d04de",
      "randomness": "0xd175337361c439cfac0462ad4ffd87964d9655b7286adbba284b583c099dde3e"
    }
  ],
  "blockNumber": "7,408,970"
}

{
  "Sr25519": "0x68bdd809628a23832b2003b850b9b10d479546cb6ada54684b094447a256b9302942f8dd02fb57d410d299a3e0d1cd11e4d9853e89fb86498ccbaf62a382c085"
}