{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0x48c840ecbe41e5a0be6efbffb28d9d8247927a97873098d1fdb01e014a6c5928",
    "signature": "0x272c863fef3d8d269d05968502fa605c019939a23f1e1a41db42a4ff3d51d6280d3b3aab87c27c01edfc356211ff0a32ad7170f165d61a74dbb7ad0aab5c11691c",
    "signer": "0xaf687f55Ef60bd4a787Fb6bF971B886C8F6AFDe0",
    "userId": "986541736"
  }
}