{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "374907",
    "entityType": "User",
    "nonce": "0xfadcbb2721747fdde19b8d066819b3b002acea9843037f3abfcb05520a8f509f",
    "signature": "0x2ffe853758c0ffe24b224f5dc74c4cea023a4ff59200213e90bfa09b9991cd910015ce6fc925c56213030181ec42ecffc85fcc31fed1eb18fb0489776b0cd2fd1c",
    "signer": "0x6802Fe39C5FA9f99ac1Aa32F164982185A3E70ea",
    "userId": "152482938"
  }
}