{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "314016",
    "entityType": "User",
    "nonce": "0xcfae4567e10f91ca4f6f52ccb2b435ef841be6e02d98830852de0b1d841f6abc",
    "signature": "0x0fe43692b86ccb4dcf778010285ad64591ce844fa112651a49f58f6797196c5701ea4fa608cbbfd8b82ba4dbcd6fdd9117926f6f971937ee2889e09b53166df41b",
    "signer": "0x6359ea06086264D44C0F7fD4e16a69d7F91220D5",
    "userId": "574515122"
  }
}