{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xd6b28dd5a042338f2cb7ccc352a47aa576d811f66d61932f3a4949478abda52b",
    "signature": "0x1026d7c1c7117d7ea440c954e167db42f6312ce4e67b6d8206a89f3fa7b95a7a152343d3c6c1326f7889b61a6fa5dee9a5cf69b840e4ab4de593454a6e5d3deb1b",
    "signer": "0x995Ca8f2d3956487967aCfd7EA849313C448c3a8",
    "userId": "227564"
  }
}