{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x4fc8ff04f244559546b44b32549dcf70435c7c77c87242f7761f297e9318099a",
    "signature": "0x9253f96412547326907480252ebc811d3c6fb4fdaaab1fc3a53e88c2a35a937c28c9978aa8b14c433fe6d18948e213f708c6c0ff683743267a127e000fe568a51b",
    "signer": "0xdA70748555453bF7Cdd9F8abfe38857a5280F758",
    "userId": "458052196"
  }
}