{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "27669",
    "entityType": "User",
    "nonce": "0xa1cff36c22ca84488c59f3ae0ff39a38ef0771c7d9f3edcad51e5ea399e9614c",
    "signature": "0x177c3be038006119984a3a984165027cc078559f8c298c31e44934aeb5780e3d3b89ad19be849e58aa16036f203c8bfb011b14fa260786a08425caf3fad610e81b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}