{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xd374efd57c144364b20833a6d6f6febf618c8d34586f72151e73424a5d92e287",
    "signature": "0xb489eb61a9396a194626933f851973f487c7b940897610bd5fb6fa6bef3db3d93ba699b06a11cc54837d0f8795d75a442334804e9b955e9dee09165aa4f5c3081c",
    "signer": "0x328792F50caF0183cfCb5089c9f8dE46a41989Ea",
    "userId": "583778049"
  }
}