{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1511457",
    "entityType": "User",
    "nonce": "0x85ad932678c540c6fe2375296e3a98e3f66c845c826a8b4e91dc43e8a5580937",
    "signature": "0xc8df894e12d77607eac950ff70834e100f05e3da59cf9711217a872f9a7c2c52500e45b6a644e5ba51f81b47de7441504139a186fb72dd55efecb1ad165697761b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}