{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "335392",
    "entityType": "User",
    "nonce": "0x052a053a3e1d334a39134c9d6d3d2343278713515c89611d5dda0f2064860906",
    "signature": "0xcad492d9611661d4ae4f3ac803ac928f8adf89bbfb2c4b85d9b974272366925d022b3e597bbd9fb6200535cd03b1d630e3d5455c899c9f9970dcf5d5d435fbe71b",
    "signer": "0x798188d458BeD948ed24b9c7F913E3832f081e79",
    "userId": "50442981"
  }
}