{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "360621402",
    "entityType": "User",
    "nonce": "0xcedcd7985c5a3df3241310df6c09bb3462cbf54c0c3231305eff6147335d29e8",
    "signature": "0xd446c1dcf8544d7a0ee2b1fab17054cf0c6c83ce91dc8bf703a06e6e09b1b78e72ce1b378b815527372ff290c02c046979d50bc4c9e1c917408931d53152b8f21b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}