{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "86476",
    "entityType": "User",
    "nonce": "0x8822e1bc8ba9deb38605a8e4c999af69a59171b83c967ed6426c749b0bfbf79c",
    "signature": "0x74721a7e8fca5fb88aea8162e6f7f13c6366b3472bb6cce99bb5c9725b774e6c7122aae41e1c37d6e33faf844cd42f291db8925ecb737b106eac12cbf6e8df301b",
    "signer": "0x57Ad6E2E3fFc5ABe9b5FE7DC3bF7c07c8cCf9Ccf",
    "userId": "571702334"
  }
}