{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59868",
    "entityType": "User",
    "nonce": "0x621ca216b03829c61ac7b29da882aa16f212149ac8f31461c31473523db71624",
    "signature": "0x171805a4943b72b9fa279debde1ed0f9d5d82f8880728055dd1b9ef94604d81272e5be2fc1cc49809b9265643b5129fcd4f448127f058ab8975c74ed9f132f931b",
    "signer": "0xE22639FD840080b20889373FEa6060B4757eB9c1",
    "userId": "274627911"
  }
}