Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,575,016",
      "signature": "0x90340dcc41798a3aa840d6f2e5603ef8a3082e7bd46b10d1c489b2f89bb1f10ba216a3fb63404ec6e6c0bf46fdbb1974",
      "randomness": "0x2ca9b3b1ca3f46d3d097dda12070ebe32c48e010baa5242fa4612c3a3ad5b975"
    }
  ],
  "blockNumber": "7,414,089"
}

{
  "Sr25519": "0x0af74b516c5abcbef3b77b7ddc9fbe2617e21ee4b2e8095e175f6bb05e506527b3402cf7a444aed221aa3950354696876d1a03c9eca375130d75dd13a5301488"
}