{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "57120",
    "entityType": "User",
    "nonce": "0x501bacbf490ab1728404c2238a5a6f701aeb5702b63e0222cefd7f3aa0fe6543",
    "signature": "0xf9a5882a7dfbee2d3f97fc09203ffeebe669f823d7e443ec84cce40fe3f2ed140690ca8d50616b95a075f25b6835b15f636bb78762e00dc095216b53eb1fcf521b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}