{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x9373cf3ea8a6f51f76e288ad133403d0ca8e81447ee4f0a0ee23daf97559b8c2",
    "signature": "0xca5288ce999734c40a352a919ce6698809982bf13b76fbc87dbadb88102fdfb34f0da536d9db2a2ca37025ddc0001b9f6e2497a5d615ba4a94ecf4ca3983f3f21c",
    "signer": "0x37078959e8708e75303c5386562E052FCE3c1B1C",
    "userId": "446684277"
  }
}