{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "743067072",
    "entityType": "User",
    "nonce": "0x9fe51b5827d071d6450416efc12053ee3f6689a7bcb11a982c2095406267596a",
    "signature": "0xc900e090cb1a3f3e80668582a73e7bd6054a7e860b05ce458e005aa39cd87b985c41c6318f8e5f356d5e1fd1311209d90b332a38b79e8b2d1a6301dd1333970a1b",
    "signer": "0x06167916982680D00E8982c6fbd0B71225A6E958",
    "userId": "115840284"
  }
}