{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0xaf4901c0777ea32ccb1d4662a605e3b70033a9441302437192e8eff350b9451d",
    "signature": "0xbbbcea97ad9d9a5cdca424959855c408672267386dac30b6f349427d67b2056767c3d7e75a206a6d255038866d53c2c810d9c05688378d930cd3dc01c81e60971c",
    "signer": "0x0598FC797642238bFb08593189CB8B4b21aFF411",
    "userId": "179352401"
  }
}