{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "328894",
    "entityType": "User",
    "nonce": "0x364172bba999bb3c73db72a6e35b5cf25bda286dfb9a206154f8fb6421a37748",
    "signature": "0x45616e96a96ed3021342b5a9ee0c3f6e72d268a545a72e246655c27a7147c64d46e5597491b09135b5310c1cdb22ebdb1afb965bc981811859b27222c91efffe1b",
    "signer": "0x36C09a4c4AeD822C1Dcc84027B6222FDf0C9429B",
    "userId": "73610"
  }
}