{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190942",
    "entityType": "User",
    "nonce": "0xb8db5d89c00c2f58518d33e9496e0d52d63c4a1e7675c65575887cba9d74de00",
    "signature": "0xafaaa4045137c0d38f7de0576906887e22ae77b8fafe32996a78b3900ff44218655ee288572f53fa44bfea650aaac67b890f57bae5992b17c68094cc2f965d531c",
    "signer": "0x7ceA71B4A8C4013A4f57c1A57eC0430915572e86",
    "userId": "31724295"
  }
}