{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0x5c5c9dde3c88e05c2f4ced527323c66ace4ab1c975c22f5f3ec0d193d73c5b6d",
    "signature": "0xfc0c8d72609a436adbb369ade9aa8a43a9c35cb3a01f94d56a117f382b52eb1437cb2eec41ad07a54996d633ec44d84211b9c9140a4d6fa1308f8f43c46008ca1c",
    "signer": "0x6068Da6B0a791A756931bE32de98D46eBb95890c",
    "userId": "475275462"
  }
}