{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "74183",
    "entityType": "User",
    "nonce": "0x31db92b1366880b79490d00953aa602713cce04c2cdcb7c8fdd71f661f89cd04",
    "signature": "0x250c6c888e6b6045e4e16309e52f6284b7de14d4d3baa38b43dcf9462c7b1e642f61dbbdb45eba35399cbbd04cc2670aefeb0ec3ef008a7dd8e94c280229e37f1b",
    "signer": "0x3Ec98fFA47eF7773803b73964753B99Ae2D50f41",
    "userId": "545926315"
  }
}