{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "69305",
    "entityType": "User",
    "nonce": "0x5f34bf9d5d0ae5ea2eb90c03c4d48e1066ca4612304ab0572109d15ffae11604",
    "signature": "0xc0af91fe58a573334cfaf06b9f1e283d5f66f001681e73891a5ad8b64d3be0e9377d06eb46ac47c8bcd04b74b5c61fdad19c4f4dd5d732948c63392e0e1e6fea1c",
    "signer": "0x2Df83D15c880275a0138820cE2009Fc85eF32C65",
    "userId": "107618708"
  }
}