Write Pulse

{
  "public": {
    "Sr25519": "0xfa823f5b350ce46a9d53f4f7d4365c0b2a20efc82c5c03394195ee166abb0137"
  },
  "pulses": [
    {
      "round": "25,552,648",
      "signature": "0xb3bf065fba62a2cc1f777125425e0d31cf39a24760e828d99819c565afd50c969578b2e5f56135a8d2ed9ed2453c3c00",
      "randomness": "0x07bea09f5c530a98e453986da1ebcb63ef2bfece34a8063e96a5358131c11bb2"
    }
  ],
  "blockNumber": "7,408,497"
}

{
  "Sr25519": "0xc0f5ec2283416c881fb45ff32ba4446712a53a8448149c60547232f688d9a309f4e22ea63d5013e1cdc885e0e6e796e620f98df7be8fecf39e2341f68579c483"
}