{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5283",
    "entityType": "User",
    "nonce": "0x02b3754049af503d7a91cd40a0006217f4b2236d4a009cbc23408cf21698839e",
    "signature": "0xa2c07c008bd493debc84f48c07a7bb7bf76fc6212bb466132eb033a29198baa5638c750d0d11d016e1ddd0f758b147577f97ec73225c8072e527bae6059bcab01c",
    "signer": "0xB0cCb7cc48b50141620Bc275286fcFb267B393a9",
    "userId": "878527718"
  }
}