{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "484365174",
    "entityType": "User",
    "nonce": "0x0b8dc268373c59df6c7d94e4ca468ceb7a3080970b67c195b4286741e0ccccfe",
    "signature": "0x2c0292005d8670f8469343962b028ddc8ea048fc50b684f2ad14bf427d8a9ff205a36c773a06719a95524d1a4821094b5574da7fa531b355b9fc8ef1cb34b7421c",
    "signer": "0x720537125Aa4b451266209E0d508D7576a4bAF94",
    "userId": "942771296"
  }
}