{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "796529120",
    "entityType": "User",
    "nonce": "0xc31843c09d07caeeffab0900b5864d42dc81a854ebb13004917073d8d9389579",
    "signature": "0x8ad53ca892d4afd97506b09bc47c43200569fc0c4a24f225ee0f28ff99c5072426bf5a2c7330d70c0a4d4ae422cd7d9a9572c0f516bdefbfbcff31b707ceb0cb1b",
    "signer": "0x48FD75f1b7D81A96b8b8624aB7040523C402c202",
    "userId": "325172820"
  }
}