{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "799948905",
    "entityType": "User",
    "nonce": "0x43bb1c3fb436f9647b11e1b367a5d502a6c92d3731ff035eebf3ee64a63b1c9b",
    "signature": "0xdb817e378b22d8abf688104d1d9221482d04e7f2d7d1e48f005744f928b247216ffd74cfc6e7bfed77c79ddd07d180cd52a9845fbc2ee930763325547379bf991b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}