{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "416697656",
    "entityType": "User",
    "nonce": "0xb70efc8e849da0271c38ad694db6150a75681053730a8e724313cd97bd0eeb75",
    "signature": "0xf1285c227433bb62cc03951a39b524e49f3a1a937df9c297dc6f887d43f7b0f7003d4e0ea627b9ad791c17e9211ac200f8b4e4aa16c7b6e7638edce332ab75bc1b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}