{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "368774",
    "entityType": "User",
    "nonce": "0xda46b95c8ba1552c8afa3d1c42d07669e83a715ceaace54ac16a3946669e7dd3",
    "signature": "0xee1793f1b4db3ff67af4522ee49105023fd96dcb54ae4971848fda9386eb739529a44368543f3376be1da7c3cc3eede8a7d0715f768edde75e0810376cc6e6b01c",
    "signer": "0x2Df83D15c880275a0138820cE2009Fc85eF32C65",
    "userId": "107618708"
  }
}