{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "49059",
    "entityType": "User",
    "nonce": "0x20707d4d563ac58c7bb8f45218a53ce6940029942ba9fae7415f380ef973b8a7",
    "signature": "0x22ae0294615abca9fb46509c2feaeafe8835d4d022ded3c4fe039d4bb45dbaea4704621b477aeb15b614fda9b17884b960b1d3a8216e3ab6f56cde23292ed8f91c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}