{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "163171",
    "entityType": "User",
    "nonce": "0x5ee24f30828ee9bf242dad59b6bad6082d3aa1fecd6d92f76c627c7db35d2451",
    "signature": "0xf5f1df10f3b44bcb31d4e0cf31338a955baaa9c612706d9c70391c2bfae69f014c194c177042144eadf001f51eb3f5653631f6fa4864e27198d22ccb8db585c61b",
    "signer": "0x38F50a3556340c9E1365557DD31F3549c0315FB7",
    "userId": "912674314"
  }
}