{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "708491553",
    "entityType": "User",
    "nonce": "0xedb430e7dcad80a7399b7a12ed5b22106a7c4c8cf762ba9cdea3e8aa1bfdd3fa",
    "signature": "0xca449aaac970ac845656d40861436c2022c3c87c4412b87be77af35ae0b321222e874594ea6f1c65eeba0fba6b12ee096619ea960f75100f61f826b85a0de3b91c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}