{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x9ad96cd2065bf0b52c2039adc28279e3641ceff384ad01855f22d58e90349e7d",
    "signature": "0x1329d002e06f37fb75f5521445e1ab258ea48e8d7a409fff22d619d53ac19d0d4bfb18e4a595b02876f887fd3156ed4ca4ddcefe35778ae073c264de62cfc6411c",
    "signer": "0x52C54744FeC93B156A460Db7FccF10e22b6FEdf0",
    "userId": "194963084"
  }
}