{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "39640",
    "entityType": "User",
    "nonce": "0xa0f8fde0aa62d37221938b64da25fd41e19100df05236dc221c3f3175c8eb808",
    "signature": "0xfe096aa3dd940d14ae812367169b22338d11799ac02a58a155ea3ab2be67b8011a177123ec553b69dc6ebfbc57a1892dd3bd25350dd8a8c6c1cb4d1ac21f09221c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}