{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xc05eab02da42902dc2b3b97cc162576bcbfde2636bc5c54ffae1cba156f779e6",
    "signature": "0xb33a00c917d2e0f836c9d009197e1775305a35803aee2280595e5366f8ebd8c60e64f0fc1b412da074ee01ba1d84b74ff4d5253c4cdefb64c284312e95498ecb1b",
    "signer": "0x3f7Eb5045d2f6Cef70C60866ED4765d4b6266A04",
    "userId": "40528859"
  }
}