{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0x961433359eefda40dfcea389969da518fcdc366cf5c9f7dc69520d5386f01fa2",
    "signature": "0x0771bcf5975ccf6b59454c7f75f9bd25658192c09a7f025f24b52c08852f0cd01ccf3b849575e2c4c4448b5246206a9e086a2658beecb2513f3322100223586e1b",
    "signer": "0x283a6Fd0bE176865B404dfc3B2805D3a2701d62e",
    "userId": "484365174"
  }
}