{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "56085321",
    "entityType": "User",
    "nonce": "0x8341830d2ae7b1e1eea5c470b03751b028640891b2b6a51c17d8105e975e0d79",
    "signature": "0x12313423c5652f0f7bd57eb0df50671c3c0d18b5a37f5d5f9e557b6b15d32e1642c780d92f8fb174f6c5d11d493be2fa5a34bde6c09e2eee421cb2e48e35f8661c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}