{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "36543",
    "entityType": "User",
    "nonce": "0xb7bc52bdad944c19875fbad3088b3a118a18e467c60a96c3963da008cd69c601",
    "signature": "0x01d59302cc733aa9cebaed02c7cac29668e92203de498fab0826ddb26eb323a25b47efe7d7bd01d8157f1f1cc0653bd1e6d5566bfd234826a69375c91d319e821b",
    "signer": "0x243f92B83d056f818b9b95664A8B7A86805A3E71",
    "userId": "111448"
  }
}