{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "942843",
    "entityType": "User",
    "nonce": "0x6e80685ed1a138df187a0e77d35b3bc8b048a50f055b0fb795ca990c7479add6",
    "signature": "0x4e4009697cce5102a9568cbd3f3786eccbadf35c20ce2c7da793b6daef407ea536a3ed2f42939c040a92531e104885cfbd5ae0fc35d4e2ddf2f1e37f6ad3b9151c",
    "signer": "0xA5594f75935B53086a8f3231b314C131605FEDA6",
    "userId": "140185425"
  }
}