{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "259896",
    "entityType": "User",
    "nonce": "0xf3f9b654ff90ce776129bcaaf2c02addade18ca72b126692864ab492c5f15555",
    "signature": "0x80dec1fcee172f8a3371ce202e6efc9d8b4fa096bc7015f21a81568871231742320db768986e3fc8f61b42c16c8cc72a393b55f02b62c26cc09915cc6e6ad2081c",
    "signer": "0x3e16afFf69eC32202c1B755Ad919C7aA325B7aBE",
    "userId": "902811065"
  }
}