{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "42279084",
    "entityType": "User",
    "nonce": "0xa5750ef611056720bb0f8ab55d5e1ac7e1dd24fec2255f7bb341a33036217dcf",
    "signature": "0x71cd2ce260cd3b6bee5acb0c4ad53da1f56cfdbb92dd9788fcc2ac3e2cff65e3096e03096e2a831c1abfff350c09062aae770b05efb586f573f6fec69190c0fc1c",
    "signer": "0x4993C3631eecd6e8c1635351A99C2103C7d6Be4b",
    "userId": "906184213"
  }
}