{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "7027",
    "entityType": "User",
    "nonce": "0x662f3164c4d4a27b4df9e40a2414345490de95c44552c0240f5e827c27c71d67",
    "signature": "0x0e0f691469303e5e3eeb2e55cf70a7427df86ceaede1a84d46c153c79dabb6254590f0240892cf1faf46b04ba0a26b0105b9d4b3b08ac034824984747035d0d61b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}