{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "296865",
    "entityType": "User",
    "nonce": "0xad07ca0f459a146f944b9a1140f8eed36b413c3e297c0052f229895be9e51eae",
    "signature": "0x8644204afabf0bf878908b472824132e6b3c50a5eaa63c1cb869959fdba760a95318a5f8977f7cc68c775fc0d87eb2755ba51915cd572620158cd34a54245d301b",
    "signer": "0x98591a180A20DF036EB2C9D2c24B449E65939Df5",
    "userId": "338604526"
  }
}