{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "320356",
    "entityType": "User",
    "nonce": "0x1ccc8b38619cfdb4a1d5adcf64fd81b473703dc075393e1659217e4a66abb096",
    "signature": "0x779a19483c22e39ac51d8e1c6f739769035bb52a86c5af768a5f4d0e05e4256a6f024fbbaa7735e8000461af1d35b471569fbe1ef1d9f277928e088a724d3eaa1b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}