{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0x71f312c8498cbaa509c305b940b244415551432dd84b7b8e8c204be57ac32271",
    "signature": "0xd36f008bf7247adf970869a273387b7c8cff10e2a0e9c91f75e9a59789b4560f7f51faae47e4001944b9fec8545abae9910ad815f8581ecd7b07c0c16db68de21b",
    "signer": "0x6068Da6B0a791A756931bE32de98D46eBb95890c",
    "userId": "475275462"
  }
}