{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "4686",
    "entityType": "User",
    "nonce": "0xe8d4e6f0a747e9683d3b6c06ffaaa032dd89bddb978d4cc30a7dea0bd5a82ef8",
    "signature": "0x434780f576d6b079dd639ff41de965b2ffb3f547da63209eff09ed0534a899e66ac5f9c835406a26921d87cb38ad55109cf907d39d3e321495b68b3243674bed1b",
    "signer": "0x45C682dAb9Cd8ED5e055aC2F6a860Db5F14c27C9",
    "userId": "611525840"
  }
}