{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xc659f82cae7adf309dfcdb73a8af7555b15205c28744a7cc526e9a5febe8eddd",
    "signature": "0xabc0b4a978713e45b5da70be69a9e93fc392942098299b7788c0fe26191ebdbe406f18591c9bb8f9ec7014320749e150187919f15fbae45f6ee2f1526d18f6611c",
    "signer": "0x2f005bdDdB40cF77316732c99DFf9621b7B801e3",
    "userId": "357950881"
  }
}