{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "858059039",
    "entityType": "User",
    "nonce": "0x6fc280580b96655efc72b046231fb502ce62a3984c129528c20225cb3589d432",
    "signature": "0x2187ae69625d77c236724ce2cbfe0aa5bc2f7c8a2653c017183165e15d9535ab027885c109563749fe8ffdbbee6a1ae6d207b7a731d7b494302055609b1603a11c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}