{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "327343",
    "entityType": "User",
    "nonce": "0x5a1516a87926dd3282ff8a961a208f834003b195fe0abbcaaf6afd217dda4933",
    "signature": "0x0776b3e8a4d4af978074cabbf383ba7aba31be5da288991424ec6a7729732cee387b6ed8f41cf6b5a25a29ad56fd425eb6b5811a2889dc276043cb193fe802201b",
    "signer": "0xAfE04b3A47505816aD72A3036422AC553C1dFEc3",
    "userId": "515307498"
  }
}