{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "107497",
    "entityType": "User",
    "nonce": "0x89af84f2a250bc8a1a4c80a68c6d2dcf56ba0f9fbe10f9bf0651ec9797b89124",
    "signature": "0x6abeea98face10c0d0147ff83849e62377cbbf53bf25ec8566a8638b242fa9603ce0719c334cb1802419bb100786858596e73ed8353afd1145a93b234ca400fb1c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}