{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x6f70bc795a7d4a26da816c011bf77916677a52fedb9430b449a9136da59099e9",
    "signature": "0x330ab7cb8f8c3ead4565d48c0b9eddbb0c04e3e48edddb46b65d7af42aedac3719cb58b77a2394f14d7d5c33c8bd002ff858973db09ca73319dff20182243fe21c",
    "signer": "0x02E3f4Fc68018DfBad3306e9c3430c54072335bD",
    "userId": "166561675"
  }
}