{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50576",
    "entityType": "User",
    "nonce": "0xa99dd3a4961f28562323f58d76057e62c86a35b5e470b044df10ff217cbe39c4",
    "signature": "0x68f92b4aa53ebf42ceeff3ef8c2370ff48d35722c3c6dca2de8fd12d43e14d9f7e4661dc8ae5ed7b0613f40a91ff4a0f1b08d3743694dad6196eb727a766e1cf1b",
    "signer": "0xb0bc7585AC84F169814851A3C22d8d92D133337F",
    "userId": "267657235"
  }
}