{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "73884",
    "entityType": "User",
    "nonce": "0x3ef04fa03624511a76f56b75589516a7b04dbe7f3a23576690d9a22ff60bfefb",
    "signature": "0xfe9148007d5f98b72f224933bd3adbc18d9cff0cf6d042cfd92f0dc572c4158c47da99ff6b4f752c2355ce3100b6f5dad7fba4e67ffc18dfafd4e7119ccf799a1c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}