{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "838777725",
    "entityType": "User",
    "nonce": "0x0ee7fb2641e0e20d5e678ca434b6dda227e95993a680a770d975fc46f4aee5da",
    "signature": "0xeeca155cce3bae84c6518f7559fc8962f57486dc7913e13eeed4c0815b911a2d743599081bccfb27b0a84888e9819b2c599fd32c49f7610aa288bde0357320b31c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}