{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "108203",
    "entityType": "User",
    "nonce": "0xbce0809bb0da3a6f032838e8fbf381f6f08abe6412b63f681bd90f7b195f686a",
    "signature": "0xee85214b7bc77ddc3933c9ea391e6f585d846a7d27a3eb88e08c33bb0b300c970cac0bd2e008527d41bd6d92852df7259b178a70cb17d06c7a0537b1975e2eb31b",
    "signer": "0x7fdeEB144300AC6b1Be0E83d8f006b2D3140F73D",
    "userId": "325377357"
  }
}