{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "309080",
    "entityType": "User",
    "nonce": "0x275a1fa67b23e8244b3cb516bc01c2829469f91e734cf403da5604cfc20bfc52",
    "signature": "0xe22779f7d8d0a1d7898428da9396e9a000df301c09e7fa00364c8d7538a57337004f548af9e4b4b33f5cedee45f3ed966730435faa51026329a15b576e6c58b81c",
    "signer": "0x1011297FAB27Cd869ba8313983bF4793AB784705",
    "userId": "540848139"
  }
}