{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0xc8c8260fdd693ab9eb102fc1a14d14dbfff136cb70f3d07dfcc140dd994efc4b",
    "signature": "0xbc89a9e00f6a5b0d2a43d2302a8ab1af075960ade0afed1dc76e2d1f2852c8c96c66781178cdb807cdf9d40a024130e0d7737e9d1d52c0836290dfd33be33f661b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}