{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "353372364",
    "entityType": "User",
    "nonce": "0x81c3a045b0974decd70c222a621d60d27653aacf069add270f0533a48be01140",
    "signature": "0xa7c585ff49c7bc42a8011cea171bc148b62f60e795e1024004e48b2c33d3aec93e8a788d9af128a00b7bde6f07cc369f5f94f3be7fba22eb079338ee6a05dd021b",
    "signer": "0x6AAB6EaEa3f7F15750b649C269b0391dcB19dEeb",
    "userId": "92019297"
  }
}