{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "80378",
    "entityType": "User",
    "nonce": "0xd1f8c56849beab83e96dc7d62b48da2092161f7c010dc904321bd011fb07c23a",
    "signature": "0x7a5725ea7e87d1cfeefba614989ad87de628553afcccb319ba9a124bf605c2d375f0ec870508532a58b04f04ae2b3eedcd79477aefd01786e0da8c1f4e8476631b",
    "signer": "0x0E71C12c426F5C9206F778713f48B60477CA943b",
    "userId": "29088079"
  }
}