{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51232",
    "entityType": "User",
    "nonce": "0x86215b3858b5f297f78a5dc040a5633ae28d3c954d75d65306082fa7b520ba12",
    "signature": "0xa65dd3728547e377caec42e6ffa601f9c706473ab91f880c46f3adba109c3539727984600c8740c3fdfc36ed8c6fd62c559298cc990c553b749a0c626284d11a1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}