{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "806873848",
    "entityType": "User",
    "nonce": "0xf892342c19e6a28a9da8dfcf947069b39c3d4fb482f8a4176bd83db4328a1109",
    "signature": "0xbfccaf66d8d477688ce92a5e90b07770caa147a72d512c1748e21a383ff04996361157a1e7ba29958563988c293f392826408040c4c2d450f0765c88816450c61c",
    "signer": "0x69DAeaBa091F0b0C82B0f54E9a01853b9fB11369",
    "userId": "306102391"
  }
}