{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0xaae9b5123dc0aae80f7a7aee551050f821d180aad43198a7f62ffc64cca7cba4",
    "signature": "0x7bf22a9e65ebc28fb5382f13b9db9c1e79697b855ce4b968b0b176ba2c4771b2144832a552b124113b9fded9075f9e528c4e4ddda882e5111065195b03267c871c",
    "signer": "0xE5c3922424A1B896ad08ED5889f36Ca5DC40660a",
    "userId": "229327490"
  }
}