{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "54840",
    "entityType": "User",
    "nonce": "0x2688071f84e20b8648bd94732ddd3452c472c1275171a5ce9479dece6ce63c70",
    "signature": "0xaff44fd8539329c629822ecb872a5488e9dfc5b091de02ae899a4858c089ae3765f8fdcd406635f61d0761282e7b0df416bb8198cc0d46aa922f024e620ed57f1b",
    "signer": "0xcc8164Efbbe4ed123B8689622b411c154496e66b",
    "userId": "60031"
  }
}