{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59821",
    "entityType": "User",
    "nonce": "0x83d89ffa5f54f75aadcb144edaf6aba2f33463f69890590759fa970223b2f7eb",
    "signature": "0xe5d033edfaef173ec71be5778710bb5034965c2afae9c2dea953e1444a6d0073200c7284c112a0671bab3afa71551c5f0e09a330d0e0bf1412d9c6bf0af933081b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}