{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x34da2c250a8e85340305f3fb2aa4071d985e859966e6bc7edaf48187cdd45e5e",
    "signature": "0xfad36882f878adf5f278210671b88ebe44b3fc379f8aab78b37ab197a46d39681c9c38978862e9f4f2a304394b93462b125c4dc044164373fdb80a5c1d731d081b",
    "signer": "0x6F7320c7ad1CfC5f251415BE8bbC0Be1DbDc61C6",
    "userId": "940827142"
  }
}