{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "225324815",
    "entityType": "User",
    "nonce": "0x4b7834ffed5dff4e49c8783afd265edfd58129acced994f41c98bee9f655d85d",
    "signature": "0x60e6e39c4ad64ccc353becd2a606d4f3e48d98b075b3cf1cb30a2d0e3a1fae826807d65611c31c2be70408c8e95ef7489e180cc2a8716e08cc337427053e55c71b",
    "signer": "0xb317638BaDa9d6464F1b38412361Ab229f06001b",
    "userId": "995099336"
  }
}