{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "871579076",
    "entityType": "User",
    "nonce": "0x7e2b89f704b05a89c1c093d75b3ac1c994f3fe6241732925e33bd1773c190f85",
    "signature": "0xd86e9e1ed1fd1ded12afa6de2338baec6a9eb1a6346e2dc11f2dec6b22b3606c119eb9cfa354b61558806d74d73d0d82fcb8445af09fbd8c4a34e71cabf9cb7b1c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}