{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "494113495",
    "entityType": "User",
    "nonce": "0x23c5faf45da8ce41c3b3a301376e4eb8c1530e5e7e0b2bcbf52807c283662662",
    "signature": "0x4876b1d7d0ffe605ec729c16cfb091584d58c2b50881bbe761611ddf8c8c8e310ecef4c9dbb16d28b72cb50dace6cf6d07b238d065efe00b04e8ab4dfa82e96d1c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}