{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "436219",
    "entityType": "User",
    "nonce": "0x13d3e0247f40d4986da36b2522bb51bd08a9ce1ea2125d84a7e6d307ecb700d1",
    "signature": "0xa62bd8cd65e0a0bc0a97920b0ba32024cb39ec6af7bceeaa38c45cf77918657b60e7d74a2230adc831fd81a0771b93b19263a55c9631bea4e34df013edbe453a1c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}