{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1770",
    "entityType": "User",
    "nonce": "0x57dc6059e2b097df9768813b79ef2f0df53ca0d8b2596dd9af8ada07484f1567",
    "signature": "0x364df4fc85920c4f24b8327e89ecbee63813b5f2f463ddd9c99e16da58013c801364800c8e6e0bf9eb63cf8c4d8e34a5666a2d4708e5530a86a4b1b085a0c8031c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}