Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,577,496",
      "signature": "0xa5ff5ceded5767b9214adea19e79d0b776b48a0b398f3cd6d932a4669712d2ba74520e34541fe1b44844601fbd29c99c",
      "randomness": "0xf4e590fa4c28f5625c69a588d95c3c95a933fd0d37e3ea694be2496ecd3f9d92"
    }
  ],
  "blockNumber": "7,414,709"
}

{
  "Sr25519": "0x7e7d5a4f7a476e7c29ed470fa54fd7c31252fb74dda24dabad92941aefc7fb14af30cd80f2469ce76e6c7d0e3e273eae4bf1fc74eeefb4bd393bb1979de8f481"
}