{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "762013",
    "entityType": "User",
    "nonce": "0xc9313d7cc4bd9194785abbf95f509ecbbc0656fc72f673d212d68efec1508e92",
    "signature": "0x08b50b8fa6f72b1d1adef73872150d78be4b997860e22c4fcd519a7a0e89397f2ef94992a58cc0b56b971e326c6804a037505d19811e4d4a3dbd09bf7e4fc1a21c",
    "signer": "0x2Df83D15c880275a0138820cE2009Fc85eF32C65",
    "userId": "107618708"
  }
}