{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "312192",
    "entityType": "User",
    "nonce": "0x5b7dfbe157c3731d88e1b686649297f0c134f88d4c4e7b26251321dfca584c74",
    "signature": "0x20392aa417975797ddb041c16f311a061b5135d2a30df46497d2512634bc5d7d45a41df52f07e9ca3eebe867ed7414cb115d5e030817dcec689fd07f2a891f811b",
    "signer": "0x408CbFDbc09C9aFB99Da5f010D04f50A190b83B6",
    "userId": "675830993"
  }
}