{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "786692593",
    "entityType": "User",
    "nonce": "0x613b5251e32196fadcae08800b37d3913b01cf0669ff70ea41ec6a627b152cf5",
    "signature": "0x6930cf4731013b625c0c88759fe5e111d199c8b91cb6795f3e2b3a7b3a58de3c6efeffa23865cb5bf6045037f8bbe6f2634cce01c39911733d3efaa40866ec601b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}