{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "346596",
    "entityType": "User",
    "nonce": "0x1314417d1bbc7e162725f80ddd5d995e877c4159b015c6f3bd99c5cf7e4402f7",
    "signature": "0xf9d03eb6dd572a374206e09b76597e84c449e54c9e695c73b277d870f20475234f15aa64c8457bf03271cd95c12ac34f1e9370e59e94ca01c2964925b12663ac1b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}