{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "185614",
    "entityType": "User",
    "nonce": "0xd7197aba7093c58b5f61611df39fc4ca8f2c252159bffc05000b30c12cee220f",
    "signature": "0x6e9a83d9a2402e4e485005ab9041e3ddb511e90ad1b3ca280c4f4caad2cbe0b916b82f18597412711e3adfd2db3f4c0d6210201647d228f7ee93bf46e1ae43db1b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}