{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190942",
    "entityType": "User",
    "nonce": "0x0ecc0511f3622b56c2cfb1216bada4f236d0d9ca6e87f20c3d409365f54f7209",
    "signature": "0xe33ba5b1d1c1a56b2afce81a1ae2980b7d4e4746370bf84fc343481fd0b5f1760236bd3e93938423cbe285b10bf2e4ba5673ef93c4b9f42a9acd98242605c5fe1c",
    "signer": "0x995Ca8f2d3956487967aCfd7EA849313C448c3a8",
    "userId": "227564"
  }
}