{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "128415",
    "entityType": "User",
    "nonce": "0xc9cac0ecece212cb0d5f2a1e3e8bbd84d8f127f5c5f68004bdfb96ebc56714ce",
    "signature": "0xf8c6a043fa8ba59a06e65a143bf5fb979f8d18237809345b7d9e02ea345364ae15d09bdeed84f84a348767d00419b28b8b2deb72f82e32087314522dbf32cf1f1c",
    "signer": "0x1ACb7Dc5984663e6f64B9a24c778e6bC3a58819b",
    "userId": "656174174"
  }
}