{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "187886",
    "entityType": "User",
    "nonce": "0xdfabb4b306a80315cc74c5404854462a8b64df46740be01a272a685dd8a5fb3f",
    "signature": "0x26192de016bd81d088f757c5ba38d58ff102db79199fc4cc9a220074a36f240b455c7d4867ca7c4476fce6c90ef1cf63dd3701f7af4c03d18a63c2dda9dcc26c1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}