{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200080308",
    "entityType": "User",
    "nonce": "0x0fc08cee92884aa8b8d75adf0f48d6437ff1c8a0d13233726aa538c0e2a651a2",
    "signature": "0x7b506adc01b9e6854c85e390bc442a40d6a2c14140c19eceb846acb52fe916e8284fae1358c7d4b50b732146de568ae9652b23f173e3275672b93b12373ba60a1b",
    "signer": "0x6068Da6B0a791A756931bE32de98D46eBb95890c",
    "userId": "475275462"
  }
}