Write Pulse

{
  "public": {
    "Sr25519": "0xec788c8b83cf82b619fc794ddede0b9a52fca4e9d161e06d469f12a3ffed0012"
  },
  "pulses": [
    {
      "round": "25,666,954",
      "signature": "0x8e2840d6ed9419e09da5bef03f6b52965f86cf544abddcf91fe6849c767ee93560d47042fa951cd50114a10ffd439a6e",
      "randomness": "0xbda632653dea950f0ab90d4c73ad16f683177d81b7644143380491201d5a256c"
    }
  ],
  "blockNumber": "7,437,030"
}

{
  "Sr25519": "0x78c319c591436a2e88d54003c526945e75699247e0707407a7997bd783cfd1238e055a290faec8222ba11b8d5f945ce6b5832ba4d684b99963b576611b976c83"
}