{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "154377962",
    "entityType": "User",
    "nonce": "0x5bfdcc118b082954c6a6b7e9b8025c290e4f255e1f626661cd6c00936d2a28c6",
    "signature": "0x159d408dc8b5f54ae6261c96583a4c6e21f2ca84bff7bd245fb2fdb21bcff2d50d4cf6c5564d42490470d1f16054f2c6b495e4d68472649227822d6d1655a6591b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}