{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "103994",
    "entityType": "User",
    "nonce": "0x5a45fb95156daec6967a69419494a5c2de29b4e6c2bc10d8d6e7e1f14e90f5b5",
    "signature": "0x5ae9a6ce9588a47af67fc59e5bba6a50e217bbd2d10633ecf168addab86b6d87619e9aac91ef80fd858dd560db9428225885ccf8e01001c712910e222c0bb1e81c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}