{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "10556",
    "entityType": "User",
    "nonce": "0xbe670d6aa84524c80ece21d115d210cbb68243bbc1641cb396f01b5ed2d4da71",
    "signature": "0x24eae9fce360b8cf594d331349998f5e285ab0171d6c30a8f71958b9e91761127d0181c05a78f082b3b2e55de62a24eaa4c2c7f249012dbb72cd78f3387d277d1b",
    "signer": "0x48FD75f1b7D81A96b8b8624aB7040523C402c202",
    "userId": "325172820"
  }
}