Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,578,936",
      "signature": "0xaad94e9c95aa389ce61a305242625172b1ac586031dedefd630dab4d3687c46118d656cc2a1a2859138141ad527042df",
      "randomness": "0x263c421a62bf87ea9415f70101eadb5ec4696f335f853a3d385d8e1fffd5f51a"
    }
  ],
  "blockNumber": "7,415,069"
}

{
  "Sr25519": "0xc677564708339f33660ccff4445ddf3e77f02e8fbc292a55691b7953016a944479dfce888f8eb9ecc8b68f9313d69690beec47a0b7b7d0ad0f6f774c46f77f8e"
}