{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "471045089",
    "entityType": "User",
    "nonce": "0xbffba4ac1cbfdb5aaa749711b85a41110e4a86d018bf6c9e00d194aa5259519c",
    "signature": "0x1a8c31f7c7e6d8dada5899485faf3548d00ef02b1abad6ad557f052348b451466a57312ac9e54bb42f9cde9cb8685c00ecd8778143cc00ff36c9b62c0c498d8f1c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}