{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "917778552",
    "entityType": "User",
    "nonce": "0x958130aec72eb17783621605e936a1927331a6fc2a3622a0b3de8b5478130545",
    "signature": "0x539c95fc07f461fac5b7bd0a52b0e0485fd28d91f44bd0bd5ec9b7c2afff16750fde422f4a6689b204ea898dbd8686a3d85e4c3e82fca4bee180c40a239f0ed51b",
    "signer": "0x03b70C3825d7b9e568C53C89a738061d855d0dec",
    "userId": "578849678"
  }
}