{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "241857",
    "entityType": "User",
    "nonce": "0xbb69fdb6ce521b58e6578de7e186a8a7455815cbec462cdcd81961950d0ac2a4",
    "signature": "0x54ece24cb6f46b4a8a2dc3d6012a203d90425838f2cff6158d8aba3513ea6c5946b128892d4b6786e47c2460282f4da0b79dce7fa514df64e853d1a7caedfe971b",
    "signer": "0x72bB0dBD4F0c2040428c41f3581607C6b41e8353",
    "userId": "959678379"
  }
}